Top 13 Best Airsoft Guns Under 400 FPS You Can’t Miss!
Finding the best airsoft guns under 400 fps can be tricky for anyone tired of rifles that break down quickly or shoot too hard for local fields. Cheap guns often fail to maintain consistent velocity, resulting in a frustrating shooting experience and potential safety issues.
Choosing the right airsoft gun for under 400 fps helps avoid problems like frequent jams and excessive wear on internal parts.
The key factors to focus on include build quality, consistent power output, and ease of maintenance. Good models usually feature metal or reinforced polymer bodies that withstand rough use without adding too much weight. A spring or electric motor that keeps velocity around 350-400 fps ensures the gun meets most field limits, balancing performance and safety.
Being able to easily clean and service the gun extends its life significantly, as internal parts can wear quickly without proper upkeep.
Need a Quick Check?
| Image | Product | Price |
|---|---|---|
Our Top Picks 1 ![]() | Double Eagle M401 Shotgun | Check Price |
Our Top Picks 2 ![]() | Metal Barrel Pump Shotgun | Check Price |
Our Top Picks 3 ![]() | Double Eagle Shotgun | Check Price |
Our Selected Top 13 Airsoft Guns Under 400 Fps for Different Needs
This list features carefully chosen airsoft guns that deliver under 400 fps, suitable for various play styles and experience levels. Each review highlights performance details, ideal user types, strengths, and drawbacks to help you find a reliable, balanced option for your needs.
1. Double Eagle M401 Pump Action Airsoft Shotgun
Great for beginners looking for a realistic pump-action airsoft experience, it offers a solid build and a top FPS of 400 using light BBs. Perfect for players wanting straightforward, safe handling with a simple ergonomic grip and scope compatibility.
Setup is minimal thanks to its plastic frame and ergonomic grip, making it easy to carry and handle during play. The top Picatinny rail allows adding a laser or scope without fuss, while the pump-action mechanics provide a tactile feel that mimics real shotguns. Daily use involves pumping to chamber each shot, which adds a bit of strategy and immersion to airsoft matches.
The airsoft shotgun shoots 0.12g BBs at up to 400 FPS, delivering strong enough power for backyard and beginner matches without going over typical safety limits. Build quality centers on plastic construction, which keeps weight down but may feel less durable in rough play.
The biggest compliment comes from users enjoying the realistic pumping action, while common criticism points to the plastic frame feeling fragile compared to metal models.
The realistic pump action is praised for adding immersion, but the plastic construction can feel fragile during heavier use. Users enjoy the straightforward design, although durability concerns exist for rougher conditions.
Ideal for newcomers wanting a beginner-friendly shotgun with realistic operation. Those needing a tougher build or higher power performance should look elsewhere.
Pros
- Realistic pump action feel
- Easy handling with ergonomic grip
- Picatinny rail for accessories
- Good power for beginners
Cons
- Plastic body feels less durable
- Limited to 0.12g BBs
| Specification | Details |
|---|---|
| Brand Name | Double Eagle |
| Model Number | M401 |
| Unit Count | 1 Count |
| Max FPS | 400 FPS |
| Length | 21.2″ inch |
| Material | Plastic |
2. Pump Action Airsoft Shotgun with Metal Barrel
Heavyweight full metal barrel construction gives a realistic look and feel to this pump action airsoft shotgun. It’s great for players who want a solid, authentic experience in the 300-340 FPS range. The single-shot pump mechanism stands out for delivering a true replica action during games.
Setting up includes attaching the included sling and loading BBs with the provided speedloader, making prep quick. The textured grip with grooved handguard feels secure, even when wearing gloves. Handling is comfortable thanks to the length of the stock, and pumping the shotgun is straightforward, mimicking real-world pump actions smoothly.
The airsoft shotgun performs well with accurate shots up to 340 FPS using 0.20g BBs, offering solid range and control. Build quality shines in the full metal barrel and solid frame, though some users note the pump action can feel a bit stiff at times. The best part is definitely how realistic it handles, but it’s limited by being a single-shot model.
Users often appreciate the authentic feel and weight thanks to the metal barrel, while the pump mechanism’s stiffness stands out as the main drawback. The included sling and speedloader add practical value during gameplay without extra purchases.
Players wanting a realistically styled pump shotgun under 400 FPS will find this a strong choice. Those in need of rapid fire should look elsewhere, as the single shot design isn’t suited for high-rate engagements.
Pros
- Realistic metal barrel and solid build
- Comfortable stock length for better handling
- Textured grip works well with gloves
- Includes sling and speedloader for convenience
Cons
- Single shot limits firing speed
- Pump action can feel stiff during use
| Specification | Details |
|---|---|
| Operation | Single Shot Pump Action |
| Muzzle Velocity | 300 – 340 FPS with 0.20g BBs |
| Barrel Construction | Heavyweight full metal |
| Included Components | 1x Sling, 1x Speedloader, 1x Gun, 1x Magazine |
| Brand Name | Lancer Tactical |
3. Double
Metal construction stands out immediately, giving the Double Eagle M58B a solid, authentic feel that fits anyone wanting a sturdy airsoft shotgun with 400 FPS power. Its best feature is definitely the shooting strength that makes it competitive yet suitable for most airsoft fields with FPS limits under 400.
Loading the shotgun using the speedloader is straightforward and saves time during games. Sling inclusion means it’s easy to carry around during extended play without fatigue.
The overall setup requires minimal adjustments, making it practical for frequent use. The weight feels balanced thanks to the metal build, though it’s not the lightest option around.
Performance hits the expected range with a solid 400 FPS output, ensuring consistent shooting power. The metal parts contribute to a durable feel, reducing worries about wear and tear in rough conditions. Praise often mentions great build quality and shooting impact, while common feedback notes it can feel a bit heavy during longer sessions.
The metal construction alongside the solid 400 FPS power stands out as the biggest advantage, making it feel like a reliable shotgun for airsoft battles. At the same time, its added weight can become tiresome over long play sessions, which some users mention as a downside.
Strong build and impressive power make this a good fit for players who prefer realistic heaviness and a sturdy feel. Those looking for lighter or multi-unit options might want to explore other models instead.
Pros
- Solid metal construction improves durability
- Includes speedloader for quick reloading
- Comes with sling for easy carrying
- Reaches the maximum 400 FPS limit
Cons
- Heavier than comparable models
- Limited to single unit per package
| Specification | Details |
|---|---|
| Brand Name | Double Eagle |
| Model Name | Gun |
| Model Number | M58B |
| Manufacturer Part Number | M58B |
| Unit Count | 1 Count |
| Number of Items | 1 |
4. Lancer Tactical Gen 2 RIS Classic M4A1 AEG
Great for players wanting durability and solid performance, this M4A1 AEG stands out with its reinforced nylon body and reliable Version 2 gearbox. It’s ideal for users who prioritize accuracy and a durable design, all within a 400 FPS limit. Its durability is the main appeal over cheaper options, offering confidence on the field.
Setting up involves easy battery access thanks to the rear-wired gearbox and a high capacity magazine that keeps you playing longer without constant reloads. The adjustable hop-up and 6.5-inch handguard ensure precise shooting and comfortable handling.
The 20mm optic rail lets you attach scopes or sights to match your play style. Cleaning is straightforward with the included rod.
Consistent accuracy comes from the rotary-style hop-up and 6.03mm inner barrel. The metal gears inside the gearbox make it sturdy but users note that occasional maintenance is needed for smooth operation. The reinforced nylon frame stands up well to rough play.
Some players mention the weight as a bit on the heavier side for extended matches, but it adds to the durable feel.
Durability and precision are strong suits due to the reinforced body and adjustable hop-up, but the gearbox needs upkeep to keep running smoothly. The metal gears offer reliability but some maintenance is required to avoid jams.
Players wanting a tough rifle that shoots accurately and offers customization will find this a solid choice. Those looking for something lighter or with less upkeep might want to explore other options under 400 FPS.
Pros
- Reinforced nylon body for tough use
- Adjustable rotary hop-up for accuracy
- Easy battery access with rear wiring
- Includes premium 5.95mm BBs and charger
Cons
- Heavier weight can tire out players
- Requires regular gearbox maintenance
| Specification | Details |
|---|---|
| Model Name | LT-04 |
| FPS | 400 |
| Inner Barrel Length | 363mm |
| Gearbox Type | Version 2 full metal rear-wired |
| Handguard Length | 6.5 inches |
| Threading | 14mm CCW |
5. Walther P22 6mm BB Airsoft Pistol
Finding a lightweight airsoft pistol that’s both fun and easy to handle makes backyard target practice more enjoyable. Great for beginners or casual players looking for a low-impact option, this Walther P22 offers consistent shooting without packing too much power.
Its biggest strength is reliable spring-powered shooting that stays safe and manageable.
Setting the pistol up is simple since it comes with an extra magazine and plenty of 6mm BBs, so you can start shooting right away. The fixed front and rear sights help with aiming, even though there’s no advanced adjustment. Lightweight polymer construction means it feels balanced in your hand, making it comfortable for frequent use and quick handling without added fatigue.
It shoots 6mm BBs at a moderate 260 fps, enough for backyard skirmishes but not for long-range play. The spring-powered mechanism keeps loading and firing straightforward, with less maintenance compared to gas or electric options.
The build quality is solid for the price range, offering durability, though users sometimes mention the lack of adjustable sights as a downside.
The pistol delivers consistent shooting power at 260 fps, making it a low-impact choice for casual play and beginners. Most users appreciate the durable polymer build and included extras, although the fixed sights are often mentioned as a limitation.
Those wanting a simple, lightweight spring-powered pistol for backyard fun will enjoy this model. Anyone needing more power or adjustable aiming options should look toward other systems. This suits players prioritizing ease of use and portability over advanced features.
Pros
- Lightweight high-strength polymer frame
- Spring powered for low maintenance use
- Includes extra magazine and 400 BBs
- Fixed front and rear sights for simple aiming
Cons
- Velocity limited to 260 fps, not for long-range
- No adjustable sights for precision aiming
| Specification | Details |
|---|---|
| Brand Name | Umarex |
| Model Name | Walther P22 Spring Powered 6mm BB Pistol Airsoft Gun |
| Manufacturer Part Number | 2272001-WAA |
| Airsoft BB Size | 6mm |
| Velocity | Up to 260 fps |
| Included Components | Walther P22 6mm BB Pistol, Extra magazine, 400 BBs |
6. Lancer Tactical Gen 2 M4 SPR Interceptor AEG
Clocking in with a full metal Version 2 rear-wired gearbox and an M120 spring, this airsoft rifle suits anyone wanting solid power under 400 FPS. Its toughest feature is the reinforced polymer body built for durability and reliability on the field.
Setting it up involves charging the included battery and loading the single magazine. Frequent use feels balanced thanks to polymer receivers, stock, and handguard that cut down weight but still resist wear. Controls and the trigger feel sturdy, making handling straightforward during quick movements or longer skirmishes.
Performance sticks to accurate shooting thanks to a polished 6.03mm tight bore barrel with a threaded 14mm CCW for better air seal. The metal gearbox parts and steel piston ensure consistent power output.
The most praised aspect is its toughness while the main complaint centers on the limited stock adjustment options.
The rifle’s durability and reliable metal gearbox gain frequent praise for lasting through intense play. Commonly mentioned downsides focus on the stock’s adjustment limits, which can feel restrictive for some players.
Players seeking a tough, ready-to-use AEG under 400 FPS will find it fulfilling. Those wanting greater customization or fully adjustable stocks might consider looking at alternative models.
Pros
- Reinforced polymer body boosts durability
- Full metal gearbox for reliable power
- Includes battery, charger, and cleaning rod
- Tight bore barrel improves accuracy
Cons
- Limited stock adjustment options
- Warranty void if modified or abused
| Specification | Details |
|---|---|
| Model Name | LT-25 |
| Included Components | 1x Battery, 1x Charger, 1x Cleaning Rod, 1x Magazine, 1x Rifle |
| Gearbox | Full metal Version 2 rear-wired |
| Barrel | Polished 6.03mm tight bore inner barrel |
| Spring | M120 spring |
| Warranty | One Year Warranty (register on website) |
7. Lancer Tactical Gen 1 M4 Commando M933 AEG
Airsoft players looking for a reliable AEG under 400 FPS will find the Lancer Tactical Gen 1 M4 Commando M933 suitable. It’s designed for those who want a solid and durable rifle that offers an authentic combat feel without too much hassle.
Its strongest point is the high-quality polymer frame that balances toughness with lightweight handling.
Setting it up is straightforward since it comes with a magazine, battery, and charger in the box. The railed upper receiver can be removed for customization, while the carrying handle’s removal aids in storage. Daily handling feels natural, and the ABS polymer frame keeps the weight manageable, making it comfortable to carry throughout gameplay.
The rifle performs well within the under 400 FPS category, providing consistent firing supported by an upgradable metal frame gearbox that holds up to wear. Its main strength lies in the durable polymer receiver and overall build quality. On the downside, some users noticed the plastic components can feel a bit basic in durability compared to metal alternatives.
The strongest praise is aimed at the durable polymer receiver paired with the metal frame gearbox that protects internal parts from wear. The most common complaint concerns some plastic components feeling less tough than expected, which could impact long-term usage without upgrades.
Players wanting a well-built but straightforward AEG under 400 FPS will appreciate it. Those who prioritize premium materials or come prepared to upgrade early may want to explore other options with more metal parts and internal improvements.
Pros
- Durable high-end polymer receiver
- Upgradable metal frame gearbox
- Removeable carrying handle for storage
- Authentic feel during gameplay
Cons
- Some plastic parts feel less durable
- Basic internal components out of the box
| Specification | Details |
|---|---|
| Brand Name | Lancer Tactical |
| Model Name | M933 |
| Unit Count | 1 Count |
| Included Components | 1X AEG Rifle, 1X Magazine, 1X Battery, 1X Charger, 1X Instruction Manual |
| Manufacturer Part Number | LT-01C-FBA |
8. Game Face Cyclone AEG Airsoft Rifle
A semi-auto airsoft rifle with a 12-round rotary pellet magazine, built for players who want a reliable, solid shooter under 400 fps. Its most notable feature is the high-capacity wind-up magazine that keeps BBs feeding smoothly during rapid fire, perfect for extended outdoor skirmishes or backyard battles.
Setup includes the battery and charger right out of the box, making it battle-ready quickly. The adjustable hop-up helps manage BB trajectory against wind and distance, key for staying accurate during play. Daily use means less stopping to reload, thanks to the 118-round magazine, letting you focus on the game without interruptions.
It performs well at velocities up to 400 feet per second, suitable for competitive fields. The build feels sturdy with a blended material; lightweight yet durable enough for regular action.
The most common compliment praises smooth firing and solid reliability, while some find the hop-up adjustment a bit fiddly at first.
The smooth firing experience and reliable BB feeding stand out as the strongest positives during intensive play. Adjusting the hop-up for wind and distance is the most frequent challenge, requiring patience to dial in that perfect shot.
Players who want a dependable rifle for outdoor and organized play will appreciate its performance and magazine capacity. Those preferring a heavier, more solid-feeling gun or simpler adjustment might look for other options.
Pros
- Semi-auto fires as fast as trigger pulled
- Adjustable hop-up for better accuracy
- High-capacity 118-round wind-up magazine
- Comes with battery and charger included
Cons
- Hop-up system can be tricky to adjust
- Build material may feel lightweight to some
| Specification | Details |
|---|---|
| Velocity | Up to 400 feet per second |
| Magazine Capacity | 118-round wind-up magazine |
| Package Weight | 2.56 kg |
| Dimensions (LxWxH) | 27.75 x 3.9 x 9.5 inches |
| Included Components | Airsoft Gun, Battery and Charger |
9. SIG Sauer SIG1 MPX Airsoft Rifle Kit
SIG Sauer SIG1 MPX Airsoft Rifle Kit is a spring-operated airsoft rifle that attracts players wanting a solid, low-velocity gun under 400 FPS. It stands out with its real steel look and reliable shoot-and-reload system, making it a good fit for casual players and beginners focused on fun and accuracy rather than high power.
Setting up the rifle requires loading the 26-round drop-free magazine, which holds a handy 500-round reservoir for quick restocking mid-play. The spring operation means every shot needs a cocking action, which adds a tactile feel to each trigger pull. The molded polymer construction keeps the rifle lightweight and tough enough for regular backyard or field skirmishes.
Shooting up to 300 FPS suits indoor or casual outdoor use, offering safe engagement distances without sacrificing the feeling of a real submachine gun. Build quality matches the Sig Sauer reputation with a sturdy design and realistic appearance.
Most praise focuses on the authentic feel, while some find the single-shot nature a bit slow for fast-paced matches.
The rifle receives strong praise for its authentic look and reliable single-shot performance. The main complaint is the slower pace due to manual cocking, which can limit the gun during fast-action games. Everyday use suits casual play, backyard target practice, or beginners learning the basics of airsoft.
Someone looking for a realistic, durable rifle that works well in low-impact settings will be satisfied. Players needing rapid fire or higher velocity should look for other models that better fit competitive or intense scenarios.
Pros
- Realistic submachine gun design
- Lightweight polymer construction
- Large 500-round reservoir for extended play
- Simple, durable spring operation
Cons
- Single-shot requires manual cocking each time
- Not suited for high-speed, competitive play
| Specification | Details |
|---|---|
| Velocity | Up to 300 FPS |
| Operation | Spring-Operated, Single-Shot Action |
| Magazine Capacity | 26-Round Drop Free Magazine with 500-Round Reservoir |
| Material | Molded Polymer Construction |
10. Umarex Glock 19 Gen3 .177 BB Air Pistol
Feels solid and shoots fast, making it a solid choice for those wanting a reliable air pistol under 400 FPS. Best suited for casual target practice or plinking, it stands out for delivering powerful shots using CO2 power without being bulky.
Set up is straightforward with a 12-gram CO2 cartridge powering the pistol, though the cartridge isn’t included. Loading 15 steel BBs is quick, and fixed Glock-style sights keep aiming simple. Mounting accessories is easy thanks to the integrated Weaver rail, which adds versatility for adding lights or lasers during use.
Performance hits right around 410 FPS, providing consistent ranges and impact strength for its class. Build quality feels firm with official Glock markings giving it an authentic look.
Most praise centers on its reliable shot power, while the common downside is needing to purchase CO2 cartridges separately, which adds ongoing cost.
Strong shooting power up to 410 FPS impresses users looking for solid velocity. Common complaint involves having to buy CO2 cartridges separately, which adds to the cost over time. The fixed sights provide a realistic feel but don’t allow for much customization in aiming.
This pistol suits those wanting a reliable, realistic Glock-style BB gun with good power for casual shooting. Those seeking adjustable sights or a less expensive ongoing setup might look for other models.
Pros
- Powerful shots reaching 410 FPS
- Authentic Glock styling and markings
- Integrated Weaver rail for accessories
- Compact 15-shot capacity
Cons
- CO2 cartridges sold separately
- Fixed sights limit aiming adjustments
| Specification | Details |
|---|---|
| Caliber | .177 Caliber |
| Power Source | 12-Gram CO2 Cartridge (Not Included) |
| Shot Capacity | 15-Shot |
| Max Velocity | Up To 410 FPS |
| Rail Type | Integrated Weaver Rail |
| Model Number | 2255200 |
11. Soft Air Thompson M1A1 Electric Airsoft Gun
Great for players wanting a solid electric airsoft gun under 400 FPS, this model stands out for its realistic feel and power. It suits someone who values both durability and a good shooting experience without going over the speed limit on most fields.
Setup involves loading the 50-round magazine with 6mm BBs and powering the gun with an 8.4v small type battery. Switching between full and semi-automatic fire modes is straightforward. The adjustable hop-up helps maintain accuracy and extend range by making the BBs spin backward, which is handy during gameplay.
Shooting between 320-365 FPS with .20g ammo, the gun performs well at medium engagement distances. Its mix of heavy polymer and metal parts gives it a solid, realistic weight at 9lbs, though some find that weight a bit much during longer matches.
Most users appreciate the authentic look and reliable firing, but a few mention the weight can tire the arm over time.
The gun is praised for its authentic build quality and firing power, while the weight around 9lbs is a common issue during extended use. Users benefit from the realistic design but have to manage arm fatigue in longer sessions. Battery life is adequate but not exceptional.
Players prioritizing realism and solid FPS under 400 will like it, especially for mid-range skirmishes. Those needing a lighter gun or longer battery life might want to look elsewhere to avoid discomfort or downtime.
Pros
- Realistic feel with metal and heavy polymer parts
- Adjustable hop-up for longer shooting distance
- Decent power within field limits
- 50-round magazine holds plenty of BBs
Cons
- Heavier weight can cause fatigue
- Battery requires frequent recharging
| Specification | Details |
|---|---|
| Power | 320-365 FPS with .20g ammo |
| Weight | 9 lbs |
| Magazine Capacity | 50 rounds |
| Ammo Type | 6mm |
| Battery | 8.4v small type |
| Fire modes | Full and semi-automatic |
12. Lancer Tactical Gen 2 Proline M4 SPR Interceptor AEG
Full metal construction gives this airsoft gun a solid, authentic feel while keeping the weight comfortable for long skirmishes. Designed for players wanting realistic looks without sacrificing lightweight handling, it stands out with a smooth trigger system that protects electrical parts during play.
Setting it up is straightforward thanks to the built-in fire cutoff system mosfet, which helps regulate electric flow and prevents damage from battery overuse. The polished 6.03mm tightbore barrel ensures shots are more accurate, making it reliable for day-to-day battles. Lightweight design means you won’t get tired quickly, even over extended use.
Performance wise, it shoots consistently with the 19k RPM high torque motor and 18:1 steel gear setup supported by 8mm ball bearings, giving steady, reliable fire with good range. The strongest praise highlights its durable, realistic metal build, while the most common complaint is about occasional internal gear noise under heavy use.
Durability and realistic metal feel earn high marks, while gearbox noise sometimes arises under heavy fire. Accuracy and protection from electrical damage also contribute to dependable performance during long games.
Players looking for reliable, accurate shooting combined with a solid, lightweight body will appreciate this model. Those wanting quieter operation or advanced custom setups might want to explore other options.
Pros
- Full metal construction with lightweight feel
- Built-in fire cutoff system mosfet
- Polished 6.03mm tightbore barrel for accuracy
- Ultra smooth 8mm ball bearings in gearbox
Cons
- Occasional internal gearbox noise reported
- Lacks advanced customization options out of box
| Specification | Details |
|---|---|
| Brand Name | Lancer Tactical |
| Model Name | Gen II Proline |
| Number of Items | 1 |
| Barrel | 6.03mm tightbore inner barrel |
| Gear Ratio | 18:1 steel gear ratio |
| Motor | 19k RPM high torque motor |
13. Cybergun FN M249 Minimi Airsoft Machinegun
One of the first things you notice with the Cybergun FN M249 Minimi is how lightweight it feels for an airsoft machine gun. Perfect for players who want a durable yet manageable support weapon that delivers reliable shots just under 400 FPS, it’s suited to those who want a solid replica with a strong build and good accuracy.
Setup is straightforward thanks to the fiber-reinforced nylon polymer body, which keeps it both sturdy and easy to carry around in long games. The included bipod and lightweight design make handling less tiring during play.
Maintenance is simple due to compatibility with common M249 parts, allowing straightforward upgrades or repairs without hassle.
Shooting between 380 and 400 FPS gives it consistent power for medium-range play. The version 2 metal gearbox with upgraded internals helps ensure dependable performance during extended sessions. Its build quality is generally praised for durability, though some users mention weight distribution could feel unbalanced in longer matches.
Strong points include the durable yet light fiber-reinforced polymer body combined with consistent shooting power, making it reliable during extended use. The most common drawback is that the weight balance may feel off, which can cause fatigue over longer matches.
Players wanting a licensed, durable M249 with good FPS and upgrade options will find it a sensible choice. Those prioritizing perfect weight balance or unique features might look elsewhere for something better suited to their style.
Pros
- Lightweight fiber-reinforced build for easier handling
- Compatible with many A&K M249 upgrade parts
- Steady 380–400 FPS power output
- Includes bipod for better shooting stability
Cons
- Weight distribution can feel uneven during long play
- No standout features beyond basic licensed replica
| Specification | Details |
|---|---|
| Model Number | <350 FPS |
| Performance | 380–400 FPS with 0.20g BBs |
| Material | Fiber-reinforced nylon polymer |
| Gearbox | Version 2 metal gearbox |
| Compatibility | Works with most A&K M249 parts |
| Included Components | Magazine, Replica, Bipod |
Best Airsoft Guns Under 400 FPS Comparison Table
| Product | Brand | Model Name | Included Components | FPS |
|---|---|---|---|---|
| Double Eagle M401 Shotgun | Double Eagle | M401 | – | – |
| Metal Barrel Pump Shotgun | Lancer Tactical | Gun | Sling, Speedloader, Mag | – |
| Double Eagle Shotgun | Double Eagle | M58B | – | – |
| Lancer Tactical M4A1 Gen 2 | Lancer Tactical | LT-04 | BBs, Battery, Charger, Rod | – |
| Walther P22 Airsoft Pistol | Umarex | Walther P22 | Pistol only | – |
| Lancer Tactical M4 SPR Gen | Lancer Tactical | LT-25 | Battery, Charger, Rod, Mag | – |
| Lancer Tactical M4 Commando Gen | Lancer Tactical | M933 | Battery, Charger, Mag, Manual | – |
| Game Face Cyclone AEG | Game Face | GFCR Cyclone | – | – |
| SIG Sauer SIG1 MPX Kit | Sig Sauer | SIG1 MPX Kit | 500-round reservoir, Mag | Spring Operated |
| Umarex Glock 19 Gen3 | Umarex | Glock G19 Gen3 | Pistol only | – |
| Soft Air Thompson M1A1 | Thompson | Palco Sports | – | – |
| Lancer Tactical M4 SPR Proline | Lancer Tactical | Gen II Proline | – | – |
| Cybergun FN M249 Minimi | Cybergun | Minimi Featherweight | Mag, Replica, Bi-Pod | <350 FPS |
- BrandDouble Eagle
- Model NameM401
- Included Components–
- FPS–
- BrandLancer Tactical
- Model NameGun
- Included ComponentsSling, Speedloader, Mag
- FPS–
- BrandDouble Eagle
- Model NameM58B
- Included Components–
- FPS–
- BrandLancer Tactical
- Model NameLT-04
- Included ComponentsBBs, Battery, Charger, Rod
- FPS–
- BrandUmarex
- Model NameWalther P22
- Included ComponentsPistol only
- FPS–
- BrandLancer Tactical
- Model NameLT-25
- Included ComponentsBattery, Charger, Rod, Mag
- FPS–
- BrandLancer Tactical
- Model NameM933
- Included ComponentsBattery, Charger, Mag, Manual
- FPS–
- BrandGame Face
- Model NameGFCR Cyclone
- Included Components–
- FPS–
- BrandSig Sauer
- Model NameSIG1 MPX Kit
- Included Components500-round reservoir, Mag
- FPSSpring Operated
- BrandUmarex
- Model NameGlock G19 Gen3
- Included ComponentsPistol only
- FPS–
- BrandThompson
- Model NamePalco Sports
- Included Components–
- FPS–
- BrandLancer Tactical
- Model NameGen II Proline
- Included Components–
- FPS–
- BrandCybergun
- Model NameMinimi Featherweight
- Included ComponentsMag, Replica, Bi-Pod
- FPS<350 FPS
How to Choose the Best Airsoft Gun Under 400 FPS
Choosing the right airsoft gun under 400 FPS involves considering factors like durability, accuracy, and ease of maintenance. Prioritizing these qualities ensures better performance and longer lifespan, helping you avoid frequent repairs or replacements and ultimately saving time and money.
Velocity and Fps Consistency
Shooting consistently at or below 400 FPS is key for keeping play safe and adhering to most field rules. When the velocity fluctuates, shots can unexpectedly hit harder or softer, which affects both safety and how far you can reliably engage. A gun that jumps between 380 and 420 FPS makes it tough to judge if it’s legal or even comfortable to shoot with others.
Look for a model with good FPS consistency, ideally within a 10-15 FPS range shot to shot. Some come with adjustable power settings that let you dial the velocity up or down, which is handy for switching between fields or game modes.
This control also helps you preserve BBs and reduce wear on gear.
Build Quality and Materials
Toys that break after a few rough games offer a quick lesson on build quality importance. A solid outer shell of metal or thick polymer protects internal parts from drops and impacts. Cheaper plastics crack, and internals can get misaligned if the build isn’t sturdy.
Focus on guns that feel balanced and well-weighted. Too light makes handling feel cheap, while too heavy tires your arm out fast.
Ergonomic grips and well-placed controls improve comfort during longer sessions. Internally, metal gears and a decent gearbox setup usually handle sustained use better than all-plastic alternatives.
Power Source and Battery Life
Powering options greatly change the experience. Spring-powered models offer simplicity but require re-cocking each shot, which slows down gameplay.
Gas guns shoot smoothly but need frequent refills and work poorly in cold weather. Electric guns need charging but usually provide good rate of fire.
Battery lifespan is crucial for electric guns. A decent battery lets you play for at least an hour without dropping power noticeably. Also consider how simple or expensive it is to replace batteries or gas canisters.
Guns with removable batteries or common gas refill types are easier to keep running and save money long term.
Accuracy and Range
A smooth tight bore barrel combined with an effective hopup improves shot accuracy and range dramatically. Without this, pellets drop quickly or veer off target, frustrating players in mid-range engagements. Guns that maintain a stable trajectory within their FPS limit hit targets consistently up to 100 feet or so.
Check for adjustable hopups that let you optimize backspin according to your ammunition. Aiming options matter too. Adjustable iron sights are standard, but compatibility with scopes or reflex sights can make target acquisition faster and more precise during skirmishes.
Safety Features and Ease of Use
Safety matters beyond just FPS limits. Trigger locks and safety switches prevent accidental discharges when the gun is not in use. Visual cues like chamber indicators help check if the weapon is loaded.
For new players, easy loading and intuitive controls speed up learning without fumbling.
Simple designs with few fiddly parts are easier to clean and maintain in the field. Frequent maintenance keeps the gun reliable and ready for play. Quick access to internal components and clear cleaning directions help avoid damage during upkeep, extending the gun’s usable life.
Proper Maintenance Practices to Prolong the Life of Airsoft Guns Under 400 FPS
Regular maintenance is essential for airsoft guns running under 400 FPS, especially to keep performance steady and parts functioning smoothly. Cleaning the barrel after every use prevents dirt buildup that can hurt accuracy. Removing the inner barrel carefully and using a cleaning rod with a soft cloth or patch avoids scratches and keeps the bore clear.
Lubrication is also key. Apply a small amount of silicone oil to moving parts like the hop-up unit and gearbox components to reduce friction and wear. Avoid petroleum-based lubricants as they can damage seals and plastic parts.
- Check tightness of screws and attachments regularly to prevent rattling or parts coming loose.
- Store guns in a dry, cool area to avoid moisture damage and rust.
- Inspect battery and wiring if using electric guns, ensuring connections are secure and batteries are charged properly.
Routine care like this helps prevent common problems and extends the lifespan of your airsoft gun.
Common Safety Tips When Using Lower FPS Airsoft Guns
Using lower FPS airsoft guns still requires attentiveness to safety to prevent injuries or accidents. Even guns below 400 FPS can cause bruises or eye damage if proper protection isn’t worn.
Always wear ANSI-rated eye protection and ensure all players do the same during games. Avoid shooting at close range; keep a minimum engagement distance of at least 10 feet to reduce impact force.
- Never remove or modify the orange muzzle tip when playing at organized fields, it helps identify the gun as a replica.
- Keep fingers off the trigger until ready to shoot to avoid accidental discharge.
- Communicate clearly with others about when the game starts and stops to prevent unintended firing.
Following these basic safety practices keeps everyone safer and helps maintain a friendly environment for airsoft play.
Comparing Semi-Automatic and Automatic Airsoft Guns Sub-400 FPS
Semi-automatic airsoft guns fire one shot per trigger pull, offering more control over ammo usage and accuracy. They’re ideal for players wanting to conserve BBs and focus on precise shots.
Automatic guns fire continuously while the trigger is held down, leading to higher rates of fire but quicker ammo depletion. This can be advantageous in close quarters or suppressive fire scenarios.
- Semi-automatic models usually have simpler mechanisms making them easier to maintain and less prone to mechanical failures.
- Automatic guns often require stronger batteries and more frequent maintenance due to increased mechanical stress.
- Both types under 400 FPS can be effective, but choice depends on play style and tactical needs.
Understanding these differences helps match the gun to the intended use, ensuring a more satisfying airsoft experience.
People Also Asked
How Do I Properly Maintain an Airsoft Gun Under 400 Fps?
Clean the barrel regularly and oil the moving parts lightly to maintain an airsoft gun under 400 fps. Avoid over-oiling, which can attract dirt and cause jams during play. Also, remove the battery or gas source when not in use to prevent damage over time.
What Is the Recommended Size for Airsoft Guns Under 400 Fps?
A mid-size or compact model is practical for airsoft guns under 400 fps, as they are easier to handle and maneuver in close-quarters play. Full-size guns may be bulkier and harder to control, especially for younger or less experienced players.
Are Airsoft Guns Under 400 Fps Safe for Beginners to Use?
Airsoft guns under 400 fps are generally safe for beginners because their lower power reduces the risk of injury. Wearing eye protection remains essential, and teaching proper handling and firing techniques adds an important layer of safety.
Which Batteries or Gas Are Compatible with Airsoft Guns Under 400 Fps?
Most electric airsoft guns under 400 fps use rechargeable NiMH or LiPo batteries, but always check the gun’s specifications. Gas blowback models typically run on green gas or propane; using the right type preserves the gun’s internal seals and consistency.
How Long Does an Airsoft Gun Under 400 Fps Typically Last?
The lifespan of an airsoft gun under 400 fps depends on maintenance and frequency of use, but with regular care it can last several years. Replacement parts like gears and hop-up units might wear out first, so keeping spares on hand is helpful.
Conclusion
Choosing the best airsoft gun under 400 fps mainly comes down to understanding the power limit for your playing field, the gun’s reliability, and how comfortable it feels to handle. These factors help ensure safety while keeping the game fun.
Durability also matters since some models can take more wear and tear than others.
Think about where you plan to play and how often. A lower power gun suits indoor spaces, while something more durable fits regular use outside.
Keep your budget in mind too. Check the comparison table and product details above to find the best match for your needs.












