Top 12 Best Holster For Glock 21 Gen You Can’t Miss!
Carrying a Glock 21 Gen safely and comfortably can be a challenge without the right holster. Finding a holster that offers secure retention, easy access, and comfort for extended wear is often a priority for many Glock 21 Gen owners.
Whether you carry concealed or open, a reliable holster can make a significant difference in convenience and safety. This review will cover some of the top holster options designed specifically for the Glock 21 Gen.
We’ll explore their materials, fit, comfort, and ease of use to help you decide which one suits your needs best.
Top Choices to Elevate Your Carry Experience with the Ultimate Handgun Accessories
| Image | Product | Price |
|---|---|---|
Our Top Picks 1 ![]() | POLE.CRAFT IWB Kydex Holster for Glock 20/21/22 | Check Price |
Our Top Picks 2 ![]() | OWB Holster for Glock 21 Gen 1-4, Right Hand | Check Price |
Our Top Picks 3 ![]() | Blade-Tech Signature OWB Holster for Glock 20 | Check Price |
1. POLE.CRAFT IWB Kydex Holster for Glock 20/21/22
The POLE.CRAFT IWB Kydex Holster for Glock 20/21/22 offers a reliable and comfortable way to carry your firearm securely.
Its rugged yet lightweight structure makes it an ideal choice for everyday carry.
With a focus on protection and ease of access, this holster balances function and convenience. Its sleek design allows for comfortable concealment beneath clothing, giving you confidence wherever you go.
Crafted from .08” KYDEX, the holster exhibits strength alongside water and sweat resistance. It fully covers the gun’s body to guard against moisture and daily wear.
Users can customize the cant angle between 0 to 15 degrees using a simple Phillips screwdriver, allowing tailored carry angles for faster draw or better concealment.
The retention pressure is adjustable, enabling the perfect balance between secure holding and quick release. This feature provides versatility for different carry styles, including inside the waistband (IWB) or outside the belt (OWB).
Due to its ease of customization and sturdy build, the holster fits well for individuals seeking both comfort and functionality. Whether for daily concealed carry or work duty, it handles the demands with reliability and confidence.
Pros
- Durable, sweat-proof, and waterproof KYDEX material
- Adjustable cant and retention for personalized carry
- Secure nylon + fiberglass belt clips for stable attachment
Cons
- Limited to specific Glock models, reducing cross-compatibility
The POLE.CRAFT IWB Kydex Holster delivers dependable protection and customization.
Its tailored fit and adjustability cater to varied preferences, making it a dependable addition for Glock owners focused on concealed carry comfort and security.
| Brand Name | POLE.CRAFT |
|---|---|
| Compatible Models | Glock 20, Glock 21 (Gen 3/4/5), Glock 22 Gen 5 |
| Material | .08” KYDEX |
| Belt Clip Size | 1.5 inches (Nylon + Fiberglass) |
| Adjustability | Cant angle (0-15°), retention pressure adjustable |
| SKU/UPC | 779207929130 |
| Model Number | Glock 21 |
In my experience, this holster strikes an excellent balance between solid protection and ease of use. The option to customize cant and retention pressure really helps tailor the holster to personal needs. It stands out compared to bulkier alternatives and performs well over long periods of wear with minimal discomfort.
It stands out compared to bulkier alternatives and performs well over long periods of wear with minimal discomfort.
2. OWB Holster for Glock 21 Gen 1-4, Right Hand

The OWB Holster for Glock 21 Gen 1-4 is designed to deliver reliable security and convenient access for your firearm. Crafted from durable military-grade polymer, it balances strength with lightweight comfort. Its open-bottom design accommodates extended barrels without compromising retention.
Engineered with a Level II Retention mechanism, the holster locks securely onto the trigger guard with a distinctive click. Quick release is possible by pressing an easily reachable index finger button. Adjustable paddle attachment allows versatile belt wear, enhancing comfort and ease of carry.
Adjustable paddle attachment allows versatile belt wear, enhancing comfort and ease of carry.
Designed specifically for Glock 21 Gen 1 through Gen 4 models, including Glock 21 SF, this holster fits securely while excluding polymer80 models with Picatinny rails. The open bottom structure supports longer barrels and makes cleaning simpler.
The Level II Retention locks your weapon safely and signals secure placement with an audible click. Releasing your firearm is smooth and fast via the ergonomically positioned button with textured grip. Internal design is straightforward and reliable, avoiding complexity while improving user interaction.
Internal design is straightforward and reliable, avoiding complexity while improving user interaction.
The paddle attachment features a 360-degree tooth gear, allowing omnidirectional rotation for a perfect angle on web belts up to 2 inches and duty belts. Smooth back design slides effortlessly, making it easy to install or remove accessories with back screws.
Pros
- Strong Level II Retention with audible locking click
- Lightweight military polymer construction for durability
- 360-degree rotatable paddle attachable to various belts
Cons
- Not compatible with polymer80 Glock 21 models featuring Picatinny rails
This holster delivers dependable security and ease for Glock 21 owners seeking comfortable and practical carry options. Its robust retention and flexible mounting choices make it a sensible pick for personal protection or professional duties. Compared to similar models, it offers a straightforward design focused on functionality and quick access.
Compared to similar models, it offers a straightforward design focused on functionality and quick access.
| Specification | Details |
|---|---|
| Brand | CYTAC |
| Compatibility | Glock 21 Gen 1-4, Glock 21 SF |
| Material | Military Polymer |
| Retention Level | Level II |
| Attachment Type | 360° Rotatable Paddle |
| Color | Black |
| Included Components | Allen Key |
| UPC | 612292159511 |
From my experience, this holster strikes a good balance between secure retention and fast weapon access. Its durable build and thoughtful ergonomic features accommodate various carry preferences.
3. Blade-Tech Signature OWB Holster for Glock 20

Designed for secure and comfortable everyday carry, the Blade-Tech Signature OWB Holster is a reliable choice for Glock 20 and 21 models (Gen 3-5). Crafted from high-strength, heat-resistant polymer, this holster combines durability with precision molding for an outstanding fit.
Its adaptability and solid construction make it suitable for various carry preferences. Users can confidently carry their firearm with this holster’s positive lock trigger guard and adjustable retention system, ensuring both security and quick access.
Offering compatibility with both Glock 20 and 21 (Gen 3-5), this holster features a versatile mounting pattern that supports a wide range of attachments. The inclusion of the Tek-Lok belt attachment ensures a firm grip on belts ranging from 5” to 25”.
Engineered for comfort and reliability, the Signature OWB holster includes adjustable retention screws to customize the fit around the firearm. The positive lock trigger guard enhances safety by providing tactile confirmation that the gun is securely held. Optics users will appreciate its compatibility with common platforms such as RMR, Red Dot, and suppressor height sights, right out of the box.
Made in the USA, its polymer construction resists heat and daily wear, providing long-lasting performance. This holster suits shooters who require dependable open carry options without sacrificing convenience.
It balances sturdiness with comfort, making it ideal for both casual and professional use.
Pros
- Durable, heat-resistant polymer built in the USA
- Adjustable retention with positive lock trigger guard for security
- Compatible with multiple optics and a wide range of belt sizes
Cons
- Right-hand carry orientation only
The Blade-Tech Signature OWB Holster stands out by providing precise fit and reliable retention for Glock 20 and 21 pistols. Its build quality and easy-to-adjust features make it a practical choice for those seeking a durable open carry solution. With versatile compatibility and rugged construction, it offers solid value for daily use.
With versatile compatibility and rugged construction, it offers solid value for daily use.
| Brand | Blade-Tech |
|---|---|
| Compatibility | Glock 20, 21 (Gen 3-5) |
| Material | Heat-resistant Polymer |
| Carry Style | Outside the Waistband (OWB) |
| Belt Size Compatibility | 1.5” to 2.25” |
| Retention | Adjustable retention screws with positive lock trigger guard |
| Optics Compatibility | RMR, Red Dot, Suppressor height sights |
| Hand Orientation | Right Hand |
| Mounting System | Tek-Lok belt attachment |
Compared to similar holsters, this model excels in retention options and optics compatibility. Its American manufacturing and lifetime guarantee provide additional peace of mind. Product users can expect a sturdy, adjustable holster that maintains firearm security without compromising draw speed or comfort.
Product users can expect a sturdy, adjustable holster that maintains firearm security without compromising draw speed or comfort.
4. G21 Gun Holster for Glock 21 and Glock 20 Models

Designed specifically for Glock 21 and Glock 20 models, the G21 Gun Holster offers reliable open waistband carry with a blend of functionality and comfort. Its precise fit and innovative features make it a strong choice for those seeking secure and quick access to their firearm.
With adjustable angles and an automatic locking mechanism, this holster adapts to individual preferences while maintaining firearm safety. Built from durable polymer, it withstands daily wear and various environments effortlessly.
The G21 Gun Holster fits Glock 21 Gen 1 through 4 and Glock 20 Gen 1 through 4 models, as well as the standard Glock 21 SF right-handed version. It excludes fit for Glock 21 SF Gen 3 with picatinny rail or modified versions. This specific compatibility ensures a snug and secure hold without unnecessary play or movement.
Equipped with a quick-release button, the holster positions the index finger perfectly for smooth and fast draws. Its 360-degree rotation capability, adjusted via the included Allen key, allows wearers to customize the carrying angle to their comfort and tactical needs.
Constructed from a lightweight yet robust polymer material, it resists impacts, heat, and scratches. This makes it suitable for tactical training, hunting, military use, law enforcement, personal defense, and daily open carry.
The paddle design supports easy attachment and removal from belts or pants up to 2 inches wide, enhancing convenience and versatility.
Pros
- Auto-locking mechanism securely holds firearm in place.
- 360-degree adjustable carrying angle for personalized comfort.
- Durable polymer construction withstands harsh conditions.
Cons
- Not compatible with Glock 21 SF Gen 3 models with picatinny rail.
The G21 Gun Holster combines secure retention with flexible carry options, making it an excellent tool for Glock 21 and 20 owners who need dependable access and comfort. Its robust design and clean functionality position it as a trusted companion for various shooting activities.
| Specification | Details |
|---|---|
| Brand | Bedone |
| Fit Models | Glock 21 Gen 1-4, Glock 20 Gen 1-4, Glock 21 SF Standard Right Handed |
| Material | Durable Lightweight Polymer |
| Carry Style | Outside Waistband (OWB) Paddle Holster |
| Adjustment | 360-degree Rotation with Allen Key |
| Weight | 0.18 kg |
| Compatibility Limitation | Does not fit Glock 21 SF Gen 3 with Picatinny rail or modified models |
From a practical standpoint, this holster strikes a good balance between security and convenience. The adjustable angle and reliable auto-lock make it well-suited for those who carry regularly and demand fast access without compromising safety.
5. WARRIORLAND OWB Kydex Holster for Glock 19/43X, P365, Hellcat Pro

Designed for reliability and comfort, the WARRIORLAND OWB Kydex Holster offers exceptional carrying solutions for Glock 21 Gen models and other popular handguns. It combines durable construction with practical features to meet everyday carry demands efficiently.
The holster’s precision fit and thoughtful design ensure secure firearm retention without compromising on quick access. Ideal for users seeking a robust, adjustable holster suited for various optics-equipped pistols.
Constructed from 08-inch thick US-made Kydex, this holster provides remarkable durability while remaining lightweight and waterproof. Its rugged build makes it resistant to daily wear and easy to clean, which is perfect for consistent use.
Hand-polished edges enhance comfort, preventing irritation even during extended wear sessions.
The holster features an optics cut, allowing compatibility with a wide variety of red dot sights, broadening its versatility across different Glock models. An adjustable retention system with an audible “click” ensures the firearm is securely locked in place while still allowing for smooth, swift drawing when needed.
The 75-inch paddle design fits securely on belts ranging from 5 to 75 inches, and its hook reinforces stability during movement. Additionally, the protective sweat shield is shaped to prevent metal contact with the body, boosting wearer comfort. This holster balances functionality and ease of use, making it suitable for daily carriers and professionals alike.
This holster balances functionality and ease of use, making it suitable for daily carriers and professionals alike.
Pros
- Durable, waterproof Kydex with comfortable hand-polished edges
- Compatible with various optics/red dot sights on Glock models
- Adjustable retention with audible click for secure carry
Cons
- Not compatible with laser or light attachments
Reliable craftsmanship and ergonomic design make the WARRIORLAND OWB Kydex Holster a strong choice for Glock 21 Gen users who prioritize security and quick draw. Its construction and features deliver excellent performance at everyday carry needs.
| Specification | Details |
|---|---|
| Brand Name | WARRIORLAND |
| Material | 0.08-inch US Kydex |
| Compatibility | Glock 21 / Glock 20 (Gen 3, 4, 5), Glock 22 Gen 5 |
| Optics Cut | Yes, supports wide range of red dot sights |
| Paddle Size | Suitable for 1.5″ to 1.75″ belts |
| Retention | Adjustable with Philips screwdriver, includes audible click |
| Sweat Shield | Extended for comfort and protection |
| Included Components | 1 x Right-Hand Kydex Paddle Holster |
Compared to similar OWB holsters, this model’s lightweight Kydex and optics compatibility stand out. The polished edges and adjustable retention improve daily wearability.
Given its dependable construction and functional design, it is a practical choice for those needing a secure, comfortable carry solution tailored for Glock 21 Gen pistols.
6. G20 G21 G22 Kydex IWB Holster with Optics Cut

The G20 G21 G22 Kydex IWB Holster with Optics Cut offers a reliable and comfortable solution for concealed carry. Designed to fit Glock 21, 20 (Gen 3, 4, 5), and Glock 22 Gen 5 models, it ensures a secure hold without compromising accessibility.
Its precision craftsmanship meets the demands of daily use.
Constructed from durable 08-inch US Kydex, this holster resists water, wear, and sweat while remaining lightweight. The optics cut allows compatibility with a broad range of red dot sights, enhancing versatility. Adjustable cant and retention customize carry angle and draw tension for personal comfort and control.
Adjustable cant and retention customize carry angle and draw tension for personal comfort and control.
This holster balances durability and comfort for everyday carry needs. The hand-polished edges prevent irritation, even during extended wear. A protective sweat shield further guards the firearm’s finish and improves user comfort by shielding the slide’s rear.
A protective sweat shield further guards the firearm’s finish and improves user comfort by shielding the slide’s rear.
It excludes compatibility with lasers or lights, focusing on core firearm fits. The adjustable carry angle ranges from -5 to +20 degrees, and retention can be fine-tuned easily using a Phillips screwdriver.
These customizable features accommodate diverse carrying positions and draw preferences.
Made specifically for Glock 20, 21, and 22 generations, this model suits users prioritizing both protection and quick access. Its sturdy Kydex build offers water resistance and longevity unmatched by many fabric options.
The holster offers a solid balance of function, strength, and daily comfort, meeting common concealed carry demands.
Pros
- Durable 0.08” Kydex material resistant to water and wear
- Optics cut fits a wide range of red dot sights
- Adjustable cant angle and retention for personalized fit
Cons
- Not compatible with firearms equipped with lasers or lights
Offering a strong balance between durability, comfort, and adaptability, the G20 G21 G22 Kydex IWB Holster stands well among similar concealment options. It is particularly suitable for Glock users who want reliable retention and optics accommodation without extra bulk.
| Specification | Details |
|---|---|
| Compatible Firearms | Glock 21 / 20 (Gen 3, 4, 5), Glock 22 Gen 5 |
| Material | 0.08-inch US Kydex |
| Features | Optics cut, hand-polished edges, sweat shield |
| Adjustability | Cant angle (-5° to +20°), retention adjustable with Phillips screwdriver |
| Weight | Lightweight |
| Includes | Kydex Holster |
In my view, this holster offers excellent value for Glock owners focused on everyday carry. Its sturdy construction and optics-ready design stand out among comparable options. The attention to detail, such as hand-polished edges and adjustable features, adds up to a comfortable carry experience throughout the day.
The attention to detail, such as hand-polished edges and adjustable features, adds up to a comfortable carry experience throughout the day.
7. Rounded IWB Concealed Carry Holster

Experience unmatched comfort and secure concealed carry with the Rounded IWB Concealed Carry Holster. Designed specifically for Glock 20/21 models, its lightweight construction of just 3 ounces allows for all-day wear without irritation.
The sleek inside-the-waistband design keeps your firearm discreet and accessible.
Crafted with precision from .08” KYDEX using custom aluminum molds, this holster guarantees durability and consistency.
Whether you favor appendix carry, strong side, or cross draw, adjustable cant and retention ensure a personalized fit that stays firmly in place throughout your day.
Designed for reliable performance, this holster features an enclosed trigger guard and an over-cut open-face to fit threaded barrels. The full-length sweat guard protects both you and your firearm from moisture and heat. Its fiber-reinforced stealth belt clip ensures secure attachment while maintaining a low profile.
Retention is easily adjustable through the ‘Posi-Click’ system, offering audible confirmation when your weapon is secured. The claw-compatibility adds another layer of concealment by minimizing printing and angling the firearm closer to the body.
Built in the USA with high-quality materials, this holster offers lasting durability. Its design balances comfort, safety, and discretion, making it an excellent choice for everyday carriers who seek both functionality and security. This holster stands out among other models with its attention to detail and versatile fit.
This holster stands out among other models with its attention to detail and versatile fit.
Pros
- Lightweight at only 3 ounces for comfortable all-day wear
- Adjustable retention and cant for personalized carry options
- Claw-compatible design effectively minimizes printing
Cons
- May require a break-in period for optimal comfort
The Rounded IWB Concealed Carry Holster delivers a blend of security, comfort, and customization tailored for Glock 20/21 owners. Its precise manufacturing and thoughtful features enhance everyday carrying convenience without sacrificing concealability.
Below is a specification overview to assist with your decision.
| Brand | Concealment Express |
|---|---|
| Compatibility | Glock 20/21 |
| Material | .08” KYDEX with aluminum molds |
| Weight | 3 ounces |
| Adjustments | Retention & cant (-5 to +20 degrees) |
| Features | Fully enclosed trigger guard, full-length sweat guard, fiber-reinforced belt clip |
| Made in | USA |
Having tested several IWB holsters, this model stands out for its adjustable retention and lightweight feel. The option to minimize printing with a claw kit is a practical touch, especially for daily carry.
8. BLACKHAWK Serpa Sportster Belt Holster for Glock 20 Right Hand

Designed specifically for the Glock 20, 21, 37, and other compatible models, the BLACKHAWK Serpa Sportster Belt Holster combines reliable security with swift accessibility. Its gunmetal gray finish paired with a black locking mechanism creates a sleek, functional design admired by many firearm carriers.
It features an advanced SERPA Auto Lock release system that instantly secures the weapon upon reholstering. This holster balances protection and speed, making it a favored choice among carriers who need dependable equipment.
The holster offers a Speed Cut design to facilitate rapid drawing and reholstering, which helps improve target acquisition during use. Crafted with a passive retention detent adjustment screw, users can customize retention to their preference for a secure fit.
The audible click upon holstering confirms proper locking for added peace of mind.
Constructed from durable materials, it withstands daily wear while maintaining a professional appearance. The holster comes with a paddle platform, compatible with Shoulder, S.T.R.I.K.E., Quick Disconnect, and Tactical Holster platforms, offering versatility in mounting options.
Its weight is moderate at 6 ounces, ensuring it does not add unnecessary bulk or fatigue during use. The design targets right-handed users and supports multiple firearm models including the .
Overall, it delivers a balance of performance, reliability, and functionality that fits well for sport shooters and professionals alike.
Pros
- SERPA Auto Lock release for immediate retention.
- Speed Cut design enables quick draw and reholstering.
- Adjustable passive retention to suit user preference.
Cons
- Compatible only with right-handed shooters.
The BLACKHAWK Serpa Sportster Holster stands out due to its combination of speed, security, and adaptability. It offers solid retention features without sacrificing the user’s ability to respond quickly.
| Specification | Details |
|---|---|
| Brand | BLACKHAWK! |
| Model Number | 413513BK-R |
| Weight | 9.6 ounces |
| Fits Firearms | Glock 20, 21, 37, SandW MP .45, Pro 9/40 |
| Compatibility | Shoulder, S.T.R.I.K.E., Quick Disconnect, Tactical Platforms |
| Holster Type | Belt Holster with Paddle Platform |
| Color | Gunmetal Gray with Black Locking Mechanism |
Among similar holsters, the Serpa Sportster remains a strong competitor due to its retention system and speed cut shape. This product is ideal for law enforcement officers and serious sport shooters seeking dependable carry equipment without excessive bulk or complexity.
9. Safariland 7360 ALS/SLS Level 3 Retention Duty Holster

Secure your Glock 21 Gen with the Safariland 7360 ALS/SLS Level 3 Retention Duty Holster. Designed for reliability and easy access, it blends advanced retention mechanisms with durable materials. This holster provides a comfortable mid-ride fit and strong security for daily use.
This holster provides a comfortable mid-ride fit and strong security for daily use.
Built to withstand rough conditions, it is a dependable companion for law enforcement and responsible firearm owners. Its efficient locking systems combine safety and quick draw capability in a smart package.
This holster offers Level 3 retention featuring both ALS (Automatic Locking System) and SLS (Self Locking System) technologies. These systems secure the firearm instantly while allowing a smooth, straight-up draw when needed.
Constructed from SafariSeven—an exclusive nylon blend known for toughness—it resists abrasions and harsh environments without damaging your firearm’s finish. The holster fits belts up to 2 inches wide and sits comfortably just above the belt line, providing a balanced ride height.
Its design targets Glock 20 and 21 models, ensuring a precise fit. Handling the holster is straightforward, combining retention strength with quick accessibility.
The robust build quality guarantees lasting performance under demanding use.
This holster is ideal for professionals and anyone seeking secure, efficient carry options. It balances protection, comfort, and speed, competing strongly with other premium duty holsters on the market.
Pros
- Level 3 retention with ALS and SLS locking mechanisms for enhanced security
- Durable SafariSeven nylon blend that resists abrasions and weather
- Comfortable mid-ride design fits belts up to 2 inches wide
Cons
- Designed specifically for Glock 20 and 21, limiting model compatibility
The Safariland 7360 ALS/SLS holster offers a secure and efficient solution for Glock 21 Gen owners who prioritize safety and quick access. It stands out with its strong retention features and resilient material.
Whether for duty or personal defense, it delivers dependable performance with user-friendly operation.
| Specification | Details |
|---|---|
| Model | 7360-383-411 |
| Compatibility | Glock 20, Glock 21 |
| Retention Level | Level 3 (ALS & SLS) |
| Material | SafariSeven Nylon Blend |
| Fit | Mid Ride, fits 2″ belt |
| Weight | 12.48 ounces |
From my perspective, this holster offers a well-balanced mix of security and accessibility. Its robust construction and smooth action make it a practical choice. While geared toward specific Glock models, its features provide peace of mind and ease for regular carry users.
While geared toward specific Glock models, its features provide peace of mind and ease for regular carry users.
10. Urban Carry LockLeather IWB Holster Right Hand

Experience a refined blend of comfort and security with the Urban Carry LockLeather IWB Holster, tailored specifically for the Glock 21 series. This innovative hybrid holster enhances your daily carry, combining leather’s classic appeal with modern locking technology, perfect for reliable and discreet firearm retention.
Designed to meet the needs of concealed carry users, it promises durability without sacrificing ease of use. Its sleek design fits seamlessly inside the waistband, offering a secure fit along with quick accessibility for right-handed shooters.
The Urban Carry LockLeather IWB Holster merges the toughness of polymer with the smooth finish of premium leather. This combination results in a durable yet comfortable holster that molds closely to your body.
It supports Glock 21 models including 21c and 21SF variants with barrels up to 6 inches, ensuring compatibility and a perfect fit.
Featuring a patented locking mechanism, it securely holds the firearm without extra clips or attachments. The reinforced opening supports a natural draw angle, enhancing both speed and safety during deployment.
Additionally, the trigger guard is fully covered, plus an extended sweat shield protects from irritation and moisture.
The minimalistic profile reduces bulk, allowing easier concealment beneath clothing while fitting belts up to 75 inches wide. Made in the USA, this holster maintains consistent quality and reliability rigorously tested for everyday wear. Its versatile design suits those seeking both open and concealed carry solutions for daily use.
Its versatile design suits those seeking both open and concealed carry solutions for daily use.
Pros
- Secure patented locking mechanism for firearm retention
- Hybrid leather and polymer design combines comfort with durability
- Ultra-thin, discreet profile suitable for concealment
Cons
- Strict non-refundable policy on used condition limits purchase flexibility
The Urban Carry LockLeather IWB Holster stands out with its hybrid design and locking technology, balancing protection and comfort for Glock 21 owners. Its build quality and functional features make it a dependable choice for secure daily carry.
Whether for concealed or open use, it effectively supports safe firearm handling with convenience.
| Specification | Details |
|---|---|
| Brand Name | Urban Carry |
| Model Number | 209 |
| Compatibility | Glock 21 / 21c / 21SF (All Gens) with 4.6-inch barrel |
| Material | Leather and Polymer Hybrid |
| Carry Style | Inside Waistband (IWB), Right Hand |
| Weight | 8 ounces |
| Belt Compatibility | Up to 1.75 inches (1.5 inches recommended) |
From a user’s perspective, the holster balances toughness and comfort impressively. It securely locks the Glock while remaining easy to draw. A reliable option for those wanting both discretion and quick access without compromise in daily concealed carry.
A reliable option for those wanting both discretion and quick access without compromise in daily concealed carry.
11. Safariland 6378 ALS Concealment Paddle Holster

Discover the perfect blend of security and convenience with the Safariland 6378 ALS Concealment Paddle Holster. Designed for swift access and reliable retention, it offers a smooth drawing experience while keeping your Glock 21 Gen secure.
Engineered to support both paddle and belt loop attachments, this holster adapts to your preferred carry method effortlessly. The contoured paddle fits comfortably on the hip, angled forward slightly to enhance reach and comfort.
With the patented Automatic Locking System (ALS), the gun remains locked until released by the user’s thumb, ensuring safety without complicating the draw.
This holster boasts genuine SafariLaminate thermoformed construction combined with a suede lining which minimizes wear on your firearm’s finish. Its lightweight design weighs just 12 ounces while maintaining durability for everyday use. The holster’s right-hand model suits most users looking for a secure and easy-to-use concealment option.
Adjustability in cant allows users to find a comfortable ride position, delivering better control and comfort during extended wear. Whether for duty or personal defense, this holster balances protection and quick access seamlessly.
Compared to other gun holsters in the same category, the Safariland 6378 stands out with its ALS retention system and versatile mounting options. It delivers consistent performance even under demanding conditions while offering value through long-lasting materials.
Ideal for those needing a reliable holster for Glock 21 Gen series pistols, it meets the requirements of both law enforcement and civilian concealed carriers.
Pros
- Automatic Locking System for secure retention and smooth draw
- Includes both paddle and adjustable belt loop attachments
- Durable SafariLaminate with protective suede lining
Cons
- May take some time to adjust to the thumb-activated release mechanism
The Safariland 6378 ALS Concealment Paddle Holster combines innovative retention, adaptability, and protection in one compact package. Its thoughtful design makes it a solid investment for anyone seeking a dependable everyday carry holster.
Specification Details Brand Name Safariland Model Number 6378-3832-551 Item Type Paddle Holster Material SafariLaminate with suede lining Carry Options Paddle and adjustable belt loop Belt Compatibility 1.5″ to 1.75″ (38mm to 45mm) Weight 12 ounces Hand Orientation Right Hand Retention System ALS (Automatic Locking System)
Having used similar holsters, I appreciate how this Safariland model improves quick draw security without sacrificing comfort. Its build quality feels robust, and the choice between paddle or belt loop offers flexibility. Anyone who prioritizes reliable retention and ease of access will likely find it a valuable addition to their gear.
12. Urban Carry LockLeather OWB Holster Right Hand

Designed for reliable and comfortable gun carry, the Urban Carry LockLeather OWB Holster offers a blend of classic leather and modern polymer. It guarantees a secure fit for your Glock 21 Gen with ease of access and steadfast retention.
Providing both durability and comfort, the hybrid design is perfect for regular use while maintaining a low-profile appearance. This holster supports right-handed users seeking dependable daily carry options.
The body of the holster combines high-quality leather with a polymer shell, creating a balance between softness and rigidity. Its open-top outside-the-waistband style enhances quick firearm access without sacrificing security.
The patented Click-Lock retention system locks your pistol in place with a satisfying snap and removes the need for straps or additional adjustments.
Safety is prioritized with full trigger coverage and an extended sweat guard, preventing accidental trigger engagement and protecting the firearm’s finish. Designed with an ergonomic shape, the holster fits comfortably during extended wear while preserving a slim profile to reduce bulk under clothing.
Manufactured in the USA, it boasts quality craftsmanship and durable materials to withstand everyday demands. The holster accommodates belts up to 75 inches, recommending 5-inch widths for optimal fit. Though primarily for right-handed users, some flexibility is available for various carry preferences.
This model excels for anyone desiring secure, quick access, and comfort when carrying a Glock 21 Gen gun.
Pros
- Hybrid leather and polymer design balances comfort and strength
- Patented Click-Lock retention ensures secure firearm hold
- Full trigger coverage with extended sweat shield enhances safety
Cons
- Dedicated right-hand orientation limits use for left-handed carriers
The Urban Carry LockLeather OWB Holster presents a well-crafted option for anyone seeking dependable protection and ease of draw for their Glock 21 Gen. Its thoughtful combination of materials and design features offer lasting comfort without compromising security. When compared with some traditional leather holsters, this hybrid model offers enhanced retention technology and a slimmer profile.
When compared with some traditional leather holsters, this hybrid model offers enhanced retention technology and a slimmer profile.
| Brand | Urban Carry |
|---|---|
| Model Number | 209 |
| Material | Leather and Polymer |
| Carry Style | Outside-the-Waistband (OWB) |
| Hand Orientation | Right Hand |
| Belt Compatibility | Up to 1.75″ (1.5″ recommended) |
| Trigger Coverage | Full |
| Retention System | Click-Lock |
| Manufactured In | USA |
This holster delivers reliable performance for everyday use with a focus on safety and comfort. Its innovative retention and quality build make it an excellent choice for Glock 21 Gen owners prioritizing quick draw and secure carry.
Top Holsters for Glock 21 Gen: Ultimate Buying Guide
Compatibility with glock 21 gen
When choosing a holster for a specific firearm such as the Glock 21 Gen, understanding model-specific fit considerations plays a significant role in ensuring a comfortable and secure carry. Different generations of this model may have subtle design changes that influence the fit of a holster, especially when comparing earlier versions to the Gen These differences could affect how the firearm sits within the holster and how easily it can be drawn.
These differences could affect how the firearm sits within the holster and how easily it can be drawn. The caliber and size of the Glock 21, known for its .45 ACP chambering and full-sized frame, also impact holster selection since not all holsters designed for Glock pistols can accommodate these larger dimensions adequately.
Selecting a holster that aligns well with these physical characteristics typically offers better retention and carry comfort, which is crucial for daily use or duty purposes. Paying attention to these aspects when shopping helps in finding a holster that balances accessibility, security, and fit for this particular firearm model.
Material and durability
When choosing the best holster for Glock 21 Gen, paying attention to material and durability makes a significant difference in its performance and longevity. Options commonly include leather, Kydex, and nylon, each offering unique advantages.
Kydex holsters stand out for their rigid structure and excellent resistance to weather and sweat, making them reliable for consistent retention and quick access. Nylon holsters are often lightweight and breathable, offering good sweat resistance but may not last as long under heavy use compared to leather or Kydex.
Considering how often the holster will be worn and exposed to elements helps in deciding which material aligns best with lifestyle needs. Evaluating the wear resistance of the material can save money and improve safety by ensuring the holster maintains its shape and function over time.
Retention and security features
When exploring retention and security features for the best holster for glock 21 gen, understanding the different types of retention mechanisms is a helpful starting point. Common options include thumb break systems that allow for quick release by disengaging a strap with the thumb, and tension screws that provide adjustable friction to hold the firearm securely while still allowing a smooth draw.
Safety features designed to prevent accidental release add another layer of protection, ensuring the gun remains firmly in place during movement or activity. Combining these elements helps balance accessibility with security, making it easier for users to carry confidently without worrying about their firearm shifting or falling out unexpectedly.
Carry style and comfort
When choosing the best holster for glock 21 gen, understanding how different styles affect concealment and comfort can make a big difference. Inside the waistband holsters typically offer better concealability since they tuck the firearm closer to the body, reducing obvious print and making it easier to wear under clothing. On the other hand, outside the waistband holsters often provide quicker access and can be more comfortable for some users because they don’t press the gun directly against the skin.
Comfort during long periods of wear depends on the materials used and how well the holster fits your body shape. Softer liners and adjustable retention can prevent irritation and help keep the gun secure without excessive pressure.
Deciding between these styles involves thinking about your daily activities and how discreet you want to be. For example, inside the waistband might suit those who prioritize concealment in casual settings, while outside the waistband could work better for open carry or when wearing a jacket. Paying attention to the quality of clips or loops, ease of draw, and how well the holster stays in place during movement contributes greatly to overall satisfaction.
Paying attention to the quality of clips or loops, ease of draw, and how well the holster stays in place during movement contributes greatly to overall satisfaction. Choosing wisely results in a balance between effortless carry and readiness whenever you need it.
Accessibility and draw speed
Choosing the best holster for Glock 21 Gen involves paying close attention to accessibility and draw speed since these significantly affect how quickly and smoothly the firearm can be drawn. Ease of drawing the Glock 21 is influenced by the holster’s design, material, and retention system, allowing for a confident and fast draw without compromising safety.
Selecting a holster that allows for various cant adjustments can help tailor the draw angle for speed and ease. Additionally, compatibility with training and practice routines enhances muscle memory and improves handling skills; therefore, picking a holster that supports frequent use and matches your preferred draw method will contribute to better performance and confidence during use.
Price and brand reputation
When choosing a holster for a Glock 21 Gen, focusing on features such as material durability, comfort, and retention mechanisms can greatly enhance your overall experience. A holster that fits securely yet allows easy access is ideal for everyday carry, range sessions, or professional use. Consider the type of carry you prefer, whether it’s waistband, shoulder, or ankle, as each style offers different benefits depending on your lifestyle.
Finding the right balance between durability and comfort often means exploring options with adjustable retention and breathable materials. Evaluating customer reviews can provide valuable insights about real-world performance and comfort, helping avoid models that might cause discomfort or wear issues.
Additionally, warranty offerings and responsive customer support add peace of mind, showing the manufacturer’s confidence in their product and readiness to assist should any issues arise. It’s wise to keep budget in mind by selecting a holster that meets your needs without overspending, ensuring you get good value without sacrificing quality.
Hearing from other Glock 21 users through forums or online reviews can highlight practical pros and cons, aiding in making a well-informed purchase decision tailored to your specific use cases.
People Also Asked
What Are The Top-Rated Holsters For The Glock Gen?The top-rated holsters for the Glock Gen include the Alien Gear Cloak Tuck 3.5 for its comfort and adaptability, and the Tulster Profile for its slim design and secure retention. Both are highly praised for durability, ease of use, and excellent concealment.
Which Holster Offers The Best Comfort And Concealment For The Glock Gen?The best holster for comfort and concealment for the Glock Gen is typically a high-quality Kydex or hybrid holster designed specifically for your Glock model, such as the Tulster or Tier 1 Concealed holsters. These options provide a secure fit, adjustable retention, and slim profiles that enhance comfort and ease of concealment.
Are There Any Durable And Affordable Holster Options For The Glock Gen?Yes, there are several durable and affordable holster options for the Glock Gen, including models made from injection-molded polymer and Kydex materials. Brands like Alien Gear, Concealment Express, and BLACKHAWK! offer quality holsters that balance durability and cost-effectiveness.
What Materials Are Best For Holsters Designed For The Glock Gen?The best materials for holsters designed for the Glock Gen are high-quality Kydex and genuine leather, as they offer durability, retention, and comfort. Kydex provides a rigid, secure fit, while leather offers a more comfortable, traditional feel.
How Do I Choose The Right Holster Retention Level For My Glock Gen?Choose the right holster retention level for your Glock Gen based on your activity and comfort needs; higher retention offers better security during vigorous movements, while lower retention allows quicker access. Consider testing different retention types to find the best balance between safety and accessibility for your daily use.
Conclusion
Choosing the best holster for Glock 21 Gen involves balancing durability, comfort, and secure retention. Many options offer reliable protection and ease of access, but factors like material type and carry style can influence overall satisfaction. This holster suits those who prioritize dependable everyday carry with a handgun known for its size and power.
While some may find bulkier designs less convenient for concealed carry, the added security and fit often outweigh this drawback. By weighing personal preferences against key features, buyers can confidently select a holster that meets their specific needs.
Ultimately, the best holster for Glock 21 Gen combines functionality and comfort without sacrificing safety, making it a solid choice for responsible firearm owners.
