Top 13 Best Automatic Priming Tool for Reloading Revealed!

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Reloading cases with a subpar priming tool can turn a straightforward task into a frustrating process. The best automatic priming tool for reloading avoids common issues like inconsistent seating depth, misaligned primers, and jams. These problems not only slow down the reloading workflow but can also lead to unreliable ammunition.

Precision and reliability in primer seating are crucial for safety and performance, making the right priming tool a fundamental part of any reloader’s setup.

What makes a good automatic priming tool stand out is its construction and fit. Durable materials like hardened steel for the primer arm and aluminum for the frame ensure longevity and withstand frequent use. The tool should also apply consistent pressure, typically between 8 and 12 pounds, to seat primers securely without deformation.

Size matters too; a compact, ergonomic design reduces wrist strain during extended sessions. Easy disassembly for cleaning keeps the tool functioning smoothly by preventing primer residue buildup, which can cause misfires or jams.

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615iHgUL6lL. AC SX569
RCBS Auto Priming Tool
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51Co3IpaDLL. AC SX569
RCBS Rock Chucker Auto Tool
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519iIxwUaNL. AC SX569
RCBS Primer Feed-100 Combo
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Our Selected Top 13 Automatic Priming Tool for Reloading Worth Your Money

This list features a carefully chosen selection of automatic priming tools designed for reloading enthusiasts. Each review highlights the tool’s performance, ideal user type, strengths, and potential drawbacks, helping readers make informed decisions based on their specific reloading needs.

1. RCBS Auto Priming Tool

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Handling primers quickly and accurately makes reloading less tedious, and this tool fits right in for anyone who values speed and precision. Designed for unisex adult users, its biggest strength is the single-stage lever system that simplifies priming without the fuss of complicated setups.

Setting up involves attaching the two primer rod assemblies and primer feed tubes, both included in the package, which saves time right away. Daily use feels balanced since the item weighs about 2.3 pounds and fits comfortably on the bench.

Its metal build means it handles regular use without wobbling or breaking. The green finish helps it stand out among other tools.

The main job of seating primers is handled with accuracy and speed, thanks to the unique lever system. Built from metal, the tool has an enduring feel, reflecting RCBS quality standards. Most appreciate its reliable performance, while some mention the weight can make it a bit less portable for extended sessions.

Cleaning is straightforward, but requires attention to the primer feed tubes.

Fast, accurate primer seating and the simple lever design get high marks, showing that it delivers consistent performance every use. The tool’s weight and the need for careful cleaning around primer tubes come up as minor drawbacks amateurs might notice.

People wanting reliable priming speed and accuracy will appreciate the metal build and setup ease. Those looking for something lighter or less maintenance-heavy might want to explore alternative tools better suited for portability or lower upkeep.

Pros

  • Fast and accurate single-stage lever system
  • Includes two primer rod assemblies and feed tubes
  • Solid metal construction for durability
  • Compact size fits well on reloading bench

Cons

  • Relatively heavy at 2.3 pounds
  • Primer feed tubes need careful cleaning
SpecificationDetails
Item Weight2.3 pounds
MaterialMetal
Item Dimensions14.4 x 5.4 x 2.8 inches
Included ComponentsTwo primer rod assemblies, two primer feed tubes
Model Name9460

2. RCBS Rock Chucker Supreme Auto Priming Tool

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Great for anyone doing high-volume reloading, the RCBS Rock Chucker Supreme Auto Priming Tool speeds up the primer seating process while keeping things consistent. It fits a variety of calibers and offers strong leverage, which reduces hand fatigue during long sessions.

Setting it up is straightforward, and day-to-day use feels solid thanks to its ergonomic design. The automatic priming feature requires less manual effort, making it easy to seat primers quickly and uniformly. Its aluminum construction keeps the tool lightweight without sacrificing durability, and the comfortable grip helps during extended priming runs.

Performance-wise, it seats primers accurately and reliably for calibers including .22 Hornet. The build quality matches its function with solid aluminum parts that hold up over time.

Most found it very consistent and durable, though a few noted that the tool’s size and style feel a bit bulky for small-scale uses.

Users often highlight the tool’s reliable and consistent primer seating, choosing it for long sessions due to its ergonomic design and solid feel. A common note is its bulkiness, which can make it less appealing for occasional loaders or those with limited workspace.

Reloaders handling large batches will appreciate the efficiency and comfort provided, while those who reload infrequently or need a more compact solution might look for a smaller, simpler tool.

Pros

  • Consistent primer seating across various calibers
  • Ergonomic handle reduces hand fatigue
  • Lightweight aluminum construction
  • Speeds up high-volume reloading

Cons

  • Bulkier size may not suit small-scale reloaders
  • Classic style limits modern design features
SpecificationDetails
Item Dimensions LxWxH6 x 3 x 2 inches
Item Weight1.2 pounds
Item Package Dimensions L x W x H14.7 x 2.3 x 2 inches
Package Weight1.3 pounds
MaterialAluminum

3. RCBS Automatic Primer Feed-100 Combo

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Built with a sturdy combination of metal and plastic, this automatic priming tool suits anyone who reloads large quantities of brass regularly. It shines by holding up to 100 primers at once, cutting down the time spent on manual priming significantly for high-volume reloaders.

Setting up involves loading the primer can with up to 100 primers, which then feed automatically during reloading. The feature that stands out is how much it reduces frequent stops to replenish primers, keeping the process smooth and less fiddly.

It handles the primer feed system so you can focus on seating without distractions.

Performance is solid with reliable and consistent primer feeding that keeps the pace steady. The build feels durable without being too heavy at 4.8 ounces. Users appreciate the efficiency it adds but some mention occasional primer hang-ups that require manual adjustment.

Still, it generally speeds up the task noticeably.

Many find the automated primer feed system saves significant time and effort during reloading, but some experience primer hang-ups that need manual clearing. It handles fast loading well but isn’t completely maintenance-free on the feed side.

People who reload large batches frequently will appreciate the tool’s capacity and speed. Those who prime only small batches or want a perfectly smooth, maintenance-free experience might want to consider other options.

Pros

  • Holds up to 100 primers for high-volume work
  • Automatic feed reduces manual priming time
  • Lightweight at just 4.8 ounces
  • Durable construction for frequent use

Cons

  • Occasional primer hang-ups during feeding
  • Not fully foolproof, requires some manual tweaks
SpecificationDetails
Brand NameRCBS
Item Weight4.8 ounces
Coverage100 primers
ManufacturerRCBS Precisioneered Reloading LLC
Model Number9580
Item Type NameAUTO PRIMER FEED-100 COMBO

4. Lee Precision Auto Bench Priming Tool

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Lee Precision Auto Bench Priming Tool stands out with its triangular tray that fits all primer boxes, making it ideal for anyone wanting a simple priming setup. Its ergonomic design offers comfort during extended use, especially useful for reloading enthusiasts valuing consistency and ease.

Setting it up is simple, as it comes with both large and small primer trays to accommodate different sizes automatically. The acrylic construction keeps it relatively lightweight at 0.3 kg, so moving around your workbench isn’t cumbersome. It works well on any flat surface with dimensions that fit neatly on most benches.

Priming is consistent and reliable thanks to the design, while the acrylic material balances durability and ease of cleaning. Most people appreciate how it handles primers without jamming or misfeeds. Some complaints mention occasional difficulties with primer seating, but they’re infrequent and easy to resolve by adjusting your technique.

The tool is praised for its universal tray compatibility and ergonomic comfort, which make priming straightforward and efficient. The common drawback is occasional primer seating issues that demand minor user adjustments rather than hardware fixes.

This priming tool will suit reloaders who want flexibility with different primer brands and a comfortable setup. Those looking for a metal tool or heavier-duty work may want to consider alternatives better suited to higher-impact use.

Pros

  • Triangular tray fits all primer box brands
  • Ergonomic design reduces hand fatigue
  • Includes large and small primer trays
  • Lightweight and easy to handle

Cons

  • Primer seating can require some adjustment
  • Acrylic material is durable but less impact-resistant than metal
SpecificationDetails
Item Dimensions LxWxH11 x 7 x 2 inches
Item Weight0.3 kg
Package Dimensions L x W x H11.18 x 10.75 x 2.01 inches
Package Weight0.45 kg
MaterialAcrylic

5. Poormans PCPS Precision Priming Die

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Precision in priming is the main reason to pick the Poormans PCPS Precision Priming Die. Suited for serious reloaders with any press that fits 7/8-14 dies, it offers a micrometer hard stop that takes guesswork out of primer depth. It’s ideal for those wanting consistent, exact priming every time.

Setup is straightforward on any reloading press that accepts standard T-shaped shell holders, and one shell holder shaped anvil comes with it. Using Lee Standard flat-type priming shell holders is part of the design, but you can upgrade to Derraco’s competition-grade holders for less wobble and tighter tolerance. The 8mm diameter tube hole fits standard 7.92mm priming tubes, making it adaptable with available accessories.

Performance feels precise thanks to the micrometer stop that ensures uniform primer seating depth. The materials, aircraft-grade T6 aluminium alloy and stainless steel, make the tool solid and durable for daily use. The strongest praise focuses on the consistent priming accuracy it delivers.

A common complaint is that the process can feel a bit slower compared to simpler dies, but precision is clearly prioritized here.

The strongest praise highlights how the micrometer hard stop achieves very consistent primer seating depth, making it reliable for precise reloading. Common feedback points out the slower process speed compared to simpler dies, which some might find frustrating if speed is a priority.

This tool fits well with reloaders who value accuracy and use presses compatible with 7/8-14 dies. Those looking for speed or who want a complete priming system without extra shell holders might prefer a simpler option.

Pros

  • Micrometer hard stop for precise primer depth
  • Works with any 7/8-14 die reloading press
  • Includes one shell holder shaped anvil
  • Durable aircraft-grade aluminium and stainless steel

Cons

  • Can be slower than simpler priming dies
  • Lee Standard shell holders required for basic use
SpecificationDetails
Package Dimensions (L x W x H)6.07 x 5.99 x 2.05 inches
Package Weight0.6 kg
MaterialAircraft-Grade T6 Aluminium Alloy, Stainless Steel
Compatible Press Thread Size7/8-14 reloading dies
Suggested Usersmens

6. Lyman Gunsmithing Tools

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Reloading primers quickly and without dropping small parts becomes much easier when using the Lyman Gunsmithing Tools automatic priming system. Perfect for hobbyists and tactical shooters who want reliable primer handling, its biggest advantage is the ability to swap primer sizes instantly, saving time and reducing frustration.

Setting up involves placing your standard shell holder, then choosing either the large or small primer tray that already includes its punch assembly. The built-in shut-off gates hold primers securely during changeover, so you won’t lose them or have small parts scatter around. Its ergonomic shape also helps reduce hand fatigue during extended priming sessions.

Priming is consistent and secure, thanks to the integrated punch assemblies in the trays. The all-in-one trays eliminate fiddly small components, making operation straightforward while keeping parts safe. The strongest praise focuses on its ease of switching between large and small primers, while a common complaint points to the relatively simple, mostly plastic construction that might not feel as heavy-duty as some.

The biggest strength of this priming tool is how it handles primer size changes quickly without dropping primers or losing parts, thanks to its integrated trays and shut-off gates. However, some find the plastic construction less sturdy than metal alternatives, which can be a concern for heavy daily use.

Reloaders who prioritize speed and low fuss with primer size changes will appreciate this tool’s design. Users needing a heavier-duty feel or who don’t use standard shell holders might want to look elsewhere for more universal or rugged options.

Pros

  • Instant changeover between primer sizes
  • No small parts to lose or fuss with
  • Ergonomic design reduces hand fatigue
  • Includes both large and small primer trays

Cons

  • Primarily plastic build feels less durable
  • Not suitable without standard shell holders
SpecificationDetails
Brand NameLyman
Model Number7777810
Included ComponentsLyman 7777810 “E-ZEE Prime” Hand Priming Tool
Tray TypeIntegrated
Manufacturer Part Number4011617
Recommended Uses For ProductReloading ammunition, Hunting, Tactical activities, Sport shooting, Hobbyist use

7. Lee Precision Priming Tool Kit

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Holding 8 of the most popular shell holders and fitting over 130 cartridges, this kit suits anyone looking for a reliable automatic priming tool set. Its single biggest strength is the inclusion of both the Auto-Prime and a molded storage box that keeps everything organized.

Getting started is simple because the kit comes with a complete set of shell holders and room for 10 more. Setting up takes moments, and daily use stays consistent thanks to the compact size and light weight. Everything fits neatly in the storage box, so you can keep your workspace tidy and tools readily accessible.

The priming tool works smoothly for placing primers, with a build that feels functional and durable rather than fancy. It delivers reliable performance for hunting and reloading tasks. Strong points include the helpful storage box and variety of shell holders.

Most frequent complaints mention it feels basic and sometimes requires a bit of extra care for proper seating.

Reliable performance and good storage options stand out, but several reviews note the tool feels simple and sometimes needs careful handling during priming. The kit provides solid value with its wide cartridge compatibility and included holders.

Anyone needing a basic, functional automatic priming setup will find this kit useful. Those wanting a more refined or heavy-duty tool might want to explore alternatives with stronger materials or advanced features.

Pros

  • Includes 8 popular shell holders
  • Compact molded storage box
  • Works with over 130 cartridges
  • Adds room for 10 extra shell holders

Cons

  • Feels basic in design and materials
  • Priming can require extra care for seating
SpecificationDetails
Item Package Dimensions L x W x H5.8 x 4.8 x 1.5 inches
Package Weight1.2 pounds
Item Dimensions L x W x H5.8 x 4.8 x 1.5 inches
Item Weight1.2 pounds
Model NameLee Precision 90215: Auto Prime Kit

8. Poormans PCPS-LITE Precision Priming Die

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Reloading enthusiasts looking for a precise, affordable automatic priming tool will appreciate Poormans PCPS-LITE Precision Priming Die. Its biggest strength lies in finely machined parts that deliver consistent primer seating on various presses, making it suitable for those wanting reliable results without a high price tag.

Setup involves fitting it into any reload press accepting 7/8-14 dies along with a standard T-shaped shell holder. It uses Lee Standard flat-type priming shell holders, and you can swap in Derraco’s competition-grade shell holders for tighter tolerances. Primer tubes fit easily into its 8mm diameter hole, compatible with most primer tubes, helping with quick reload sessions without constant fiddling.

The tool performs its core task of automatic priming consistently well, thanks to stainless steel and aircraft-grade aluminum alloy construction that hold up over time. The most common praise highlights its precision machining and steady primer seating. A frequent complaint concerns the basic nature of included accessories, prompting some to buy additional conversion parts separately.

Precision machining ensures dependable primer seating every time, praised often. Some users find the included shell holders less precise, leading to additional purchases for tighter tolerance parts. The color-coded primer tubes add a bit of convenience but are sold separately.

Those wanting accurate and consistent auto priming on various presses will find this tool fits well into their setup. Reloaders needing advanced accessories or strict warranty coverage might consider other options or additional aftermarket parts.

Pros

  • Consistent primer seating with precision-machined parts
  • Compatible with most primer tubes and presses
  • Durable stainless steel and aircraft-grade aluminum build
  • Includes large and small primer conversion accessories

Cons

  • Standard shell holders feel basic and less precise
  • Limited lifetime warranty excludes wear and tear
SpecificationDetails
Package Dimensions (L x W x H)6.02 x 5.94 x 2.09 inches
Package Weight0.45 kg
MaterialStainless Steel, T6 Aircraft Grade Aluminium Alloy
Compatibility7/8-14 reloading dies, standard T-shaped shell holders
ColorSilver

9. Hornady Auto Primer Feed Classic

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Automatic priming gets a lot easier with the Hornady Auto Primer Feed Classic, ideal for anyone using a Hornady l-n-l classic or 007 press. Its biggest strength lies in compatibility and ease of switching between large and small primer tubes without fuss.

Setup involves attaching the unit directly to the compatible Hornady presses. It comes with both large and small primer tubes, letting you swap sizes smoothly during sessions.

The light metal construction keeps it easy to handle, and its dimensions make it a neat addition to your reloading bench. No complicated assembly is needed beyond fitting the tubes and mounting it on the press.

Priming speed improves noticeably with this feed system. The metal build feels sturdy and durable while remaining lightweight at just under 5 ounces. The lifetime warranty offers reassurance for long-term use.

Some reviews mention occasional issues with primer feeding, but many appreciate how much time it saves on case priming compared to manual methods.

The most common praise highlights the time saved during priming thanks to quick switching between primer sizes and steady feeding. On the other hand, some users have noted intermittent primer feeding problems that can slow the process or cause jams.

Anyone using Hornady’s l-n-l classic or 007 press looking for a reliable way to speed priming will appreciate this tool. Those using other brands or presses requiring universal compatibility should consider different options better suited to their equipment.

Pros

  • Includes both large and small primer tubes
  • Lightweight metal housing
  • Speeds up case priming considerably
  • Lifetime warranty offers complete assurance and reliability

Cons

  • Occasional issues with primer feeding
  • Only compatible with specific Hornady presses
SpecificationDetails
Item Dimensions LxWxH9 x 4 x 1 inches
Item Weight4.8 ounces
Included ComponentsAuto Primer
FitsHornady l-n-l classic and 007 press
Warranty DescriptionNo-Risk, Lifetime Warranty

10. Frankford Arsenal Platinum Series Precision Scale

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Frankford Arsenal Platinum Series Precision Scale is designed for fast and accurate primer tube filling, perfect for anyone using progressive presses. Its biggest strength lies in the quick motorized agitation that can load 100 primers in seconds, handling both large and small primers without fuss.

Setup involves placing the flexible adapter over your primer tube, easily aligning it thanks to its design. Removing the drop pin lets primers drop straight into the tube, avoiding spills.

Powered by 2 AA batteries, it runs quietly and doesn’t require much maintenance, making daily use straightforward and efficient for reloading sessions.

Its main function works smoothly, quickly loading primers with the help of circular auto-indexing ridges that ensure proper orientation. The build feels sturdy, with a well-designed adapter that fits neatly to your press.

The most praised feature is its speed and reliability, while some users note the drawback of battery operation and occasional minor jams.

Speed and accuracy are often praised for how fast primers fill the tube without manual effort. Some users experience occasional jams and find that relying on batteries can interrupt long reloading sessions.

Reloaders who want a fast, easy primer filling tool and don’t mind changing batteries will appreciate this. Those needing a wired or completely jam-free option might look elsewhere.

Pros

  • Motorized agitation loads 100 primers quickly
  • Works with both large and small primers
  • Flexible adapter aligns dispenser tube easily
  • Runs on common 2 AA batteries

Cons

  • Battery-powered, so requires frequent battery checks
  • Occasional minor jamming reported by users
SpecificationDetails
Brand NameFrankford Arsenal
Unit Count1 Count
Model Number855712
Included ComponentsVibra Prime Universal Automatic Large and Small Primer Tube Filler
Recommended UsesReloading ammunition with progressive presses
Manufacturer Warranty1-year manufacturer

11. Lyman Accu-Prime Auto-Load Bench Priming Tool

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Getting consistent primers seated quickly makes reloading a lot less tedious, and this tool is designed for anyone looking for that ease on a bench setup. Its biggest strength lies in the automatic priming system that handles a batch at a time, cutting down on manual labor.

Day-to-day use is straightforward thanks to the auto-load feature that feeds primers one by one without constant intervention. Setup mainly involves securing the tool to the bench and loading primers into the magazine. The 15W motor provides enough power to seat primers firmly without straining the mechanism.

Adjustments are simple, helping maintain reliable primer placement throughout a session.

The priming tool delivers solid, consistent seating which is essential for safe reloads. Its sturdy build feels dependable, made to withstand frequent use.

Many praise the reliability of the automatic feed system, though some note occasional primer jams can occur if the primers aren’t perfectly aligned. Maintenance is manageable but does require occasional cleaning to prevent these issues.

The tool is praised for its consistent primer seating and reliable auto-load system, but primer jams happen occasionally, often related to primer alignment. Regular maintenance helps keep it running smoothly.

Reloaders prioritizing speed and consistency will appreciate the automated feed and sturdy construction. Those who prefer a fully manual or simpler setup might consider other options due to occasional jams and cleaning needs.

Pros

  • Automatic primer feeding reduces manual effort
  • Compact bench-mounted design saves space
  • Adjustable settings for consistent primer seating
  • Durable build withstands frequent use

Cons

  • Primers can jam if not loaded correctly
  • Requires occasional cleaning to maintain function
SpecificationDetails
Power15W
Priming MethodAuto-Load
MountingBench
Primer FeedMagazine

12. Redding Slide Bar Automatic Primer Feeder

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Great for anyone using a T-7 or Big Boss press, this automatic primer feeder stands out for holding around 100 primers at once, cutting down the need to reload frequently. Its strength lies in efficient primer feeding that helps keep your reloading process moving smoothly without constant interruptions.

Setting it up involves attaching the feeder to compatible presses, where it slides into place neatly. Its slim profile and manageable weight make it easy to handle during regular reloading sessions. Filling the feeder with primers is straightforward, and once installed, it works automatically to feed primers, saving time and effort with minimal fuss.

It carries out its main task of feeding primers reliably, matching well with the pressing speed of your rig. The build feels solid and durable enough for consistent use. Praised often for saving reloading time, some mention occasional primer jams or the need for careful alignment to keep everything running smoothly.

Ability to hold approximately 100 primers allows longer uninterrupted reloading sessions, though keeping the alignment right is important to prevent occasional feeding issues. Regular cleaning and attention contribute to smoother operation during extended use.

Reloaders using T-7 or Big Boss presses looking to speed up their primer feeding will appreciate this tool’s capacity and ease of use. Anyone with a different press setup should look for a feeder designed for their specific model to avoid compatibility problems.

Pros

  • Feeds primers automatically with minimal intervention
  • Good capacity reduces frequent refills
  • Compatible with popular press models
  • Lightweight and compact design

Cons

  • May require careful alignment to avoid jams
  • Not compatible with presses outside T-7 and Big Boss
SpecificationDetails
Capacityapproximately 100 primers
FitsT-7 and Big Boss Presses
Item Package Dimensions L x W x H16.06 x 1.65 x 1.61 inches
Item Weight14.08 ounces
Package Weight0.49 kg
Model NameSlide Bar Automatic Primer Feeder

13. Dillon Precision Rapid Primer Filler

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Plastic, polycarbonate, and steel make up the body, ensuring a sturdy tool built for reloading. It suits reloaders who focus on consistent primer feeding, especially small primer sizes, with its main strength lying in its improved feed system that minimizes interruptions.

Setting up the unit is straightforward thanks to the simplified primer tube design, cutting down on fiddling around before starting. Over time, the enhanced motor and vibratory system combine to keep the primers flowing smoothly. Getting primers ready happens quickly, saving effort and tweaking during the process.

The tool handles small primers with reliable performance, keeping interruptions low during filling tasks. Its construction blends plastic and metal parts well for durability. While most appreciation goes to the smooth feeding mechanism, a noted downside is the unit’s weight of 20 pounds, making it less portable compared to lighter options.

The enhanced motor and vibratory feed system deliver steady primer filling with far fewer jams. The most common drawback is the tool’s substantial weight, which keeps it stationary rather than portable during reloading sessions. Setup benefits from a simplified tube design, streamlining primer staging.

Those focused on small primer reloading tasks and valuing reliability will find this tool well suited. Reloaders needing a lighter or multi-size option might want to look elsewhere. The performance fits reloaders prioritizing consistent operation over portability or cross-size convenience.

Pros

  • Enhanced feed system reduces primer interruptions
  • Simplified primer tube design for easy setup
  • Compatible for common small primer sizes
  • Solid build with combined materials

Cons

  • Unit weighs 20 pounds, less portable
  • Available only in specific primer size models
SpecificationDetails
Package Dimensions (L x W x H)20 x 12 x 10 inches
Package Weight20 pounds
MaterialPlastic, Polycarbonate, Steel, Zinc
Model NameSMALL PRIMER
Included ComponentsSmall Primer Tub, Power Supply, Rapid Primer Filler Unit
Warranty2 Year Motor Warranty, Lifetime Warranty

Comparison of Best Automatic Priming Tools for Reloading

ProductWeightMaterialWarrantyDimensions (LxWxH)
RCBS Auto Priming Tool2.3 poundsBlendLimited Manufacturer14.4 x 5.4 x 2.8 in
RCBS Rock Chucker Auto Tool1.2 poundsAluminumSee manufacturer6 x 3 x 2 in
RCBS Primer Feed-100 Combo––––
Lee Precision Auto Bench Tool0.3 kg–Warranty part free11 x 7 x 2 in
Poormans PCPS Priming Die0.6 kgAluminum, Stainless SteelLimited lifetime6.07 x 5.99 x 2.05 in
Lyman Gunsmithing Tools––––
Lee Precision Priming Kit1.2 poundsOther–5.8 x 4.8 x 1.5 in
Poormans PCPS-LITE Die0.45 kgStainless Steel, AluminumLimited lifetime6.02 x 5.94 x 2.09 in
Hornady Auto Primer Feed4.8 ouncesOtherLifetime Warranty9 x 4 x 1 in
Frankford Arsenal Platinum Scale––––
Lyman Accu-Prime Bench Tool––––
Redding Slide Bar Feeder14.08 ouncesOther–16.06 x 1.65 x 1.61 in
Dillon Rapid Primer Filler20 poundsPlastic, Steel, Zinc2 Year Motor, Lifetime20 x 12 x 10 in
1. RCBS Auto Priming Tool
  • Weight2.3 pounds
  • MaterialBlend
  • WarrantyLimited Manufacturer
  • Dimensions (LxWxH)14.4 x 5.4 x 2.8 in
2. RCBS Rock Chucker Auto Tool
  • Weight1.2 pounds
  • MaterialAluminum
  • WarrantySee manufacturer
  • Dimensions (LxWxH)6 x 3 x 2 in
3. RCBS Primer Feed-100 Combo
  • Weight–
  • Material–
  • Warranty–
  • Dimensions (LxWxH)–
4. Lee Precision Auto Bench Tool
  • Weight0.3 kg
  • Material–
  • WarrantyWarranty part free
  • Dimensions (LxWxH)11 x 7 x 2 in
5. Poormans PCPS Priming Die
  • Weight0.6 kg
  • MaterialAluminum, Stainless Steel
  • WarrantyLimited lifetime
  • Dimensions (LxWxH)6.07 x 5.99 x 2.05 in
6. Lyman Gunsmithing Tools
  • Weight–
  • Material–
  • Warranty–
  • Dimensions (LxWxH)–
7. Lee Precision Priming Kit
  • Weight1.2 pounds
  • MaterialOther
  • Warranty–
  • Dimensions (LxWxH)5.8 x 4.8 x 1.5 in
8. Poormans PCPS-LITE Die
  • Weight0.45 kg
  • MaterialStainless Steel, Aluminum
  • WarrantyLimited lifetime
  • Dimensions (LxWxH)6.02 x 5.94 x 2.09 in
9. Hornady Auto Primer Feed
  • Weight4.8 ounces
  • MaterialOther
  • WarrantyLifetime Warranty
  • Dimensions (LxWxH)9 x 4 x 1 in
10. Frankford Arsenal Platinum Scale
  • Weight–
  • Material–
  • Warranty–
  • Dimensions (LxWxH)–
11. Lyman Accu-Prime Bench Tool
  • Weight–
  • Material–
  • Warranty–
  • Dimensions (LxWxH)–
12. Redding Slide Bar Feeder
  • Weight14.08 ounces
  • MaterialOther
  • Warranty–
  • Dimensions (LxWxH)16.06 x 1.65 x 1.61 in
13. Dillon Rapid Primer Filler
  • Weight20 pounds
  • MaterialPlastic, Steel, Zinc
  • Warranty2 Year Motor, Lifetime
  • Dimensions (LxWxH)20 x 12 x 10 in

How to Choose the Right Automatic Priming Tool

Choosing an automatic priming tool depends on reliability, ease of use, and compatibility with your reloading setup. Getting these factors right ensures efficient, safe priming while reducing wasted primers and avoiding equipment damage, ultimately saving both time and money.

Compatibility with Cartridge Types

Handling different primer sizes matters because reloading stations often need to switch between small and large primers depending on the cartridge. A tool that only fits one size creates delays and extra work. In daily use, having a device adjustable to both small and large primers means less downtime and fewer errors with misfit primers.

Suitability for various cartridge cases is just as important. Some tools struggle with larger calibers or specific case types, leading to uneven primer seating or jams.

Tools adjustable for boxer and berdan primers are more versatile since berdan primers need careful handling to prevent damage. Look for models that provide clear adjustment options or interchangeable parts for different primer types.

Priming Mechanism Efficiency

A significant issue is inconsistent primer seating depth causing misfires or poor ignition. Tools with precise mechanisms ensure primers sit flush and at the correct depth every time, making it easy to rely on the ammunition without extra checks.

Speed and smoothness affect productivity. A mechanism that operates without sticking or jamming allows for a steady workflow.

Tools that reduce double feeds and primer jams save time and frustration, especially during large reloading sessions. Smooth operation often comes from well-designed feed paths and quality springs.

Build Quality and Materials

Repeated use quickly exposes weak build quality. Parts made from cheap plastics break or wear out, causing uneven primer seating or jams.

Tools using corrosion-resistant metals like stainless steel or hardened aluminum last longer, maintaining consistent performance.

Primer feed trays and handling parts must be sturdy to withstand constant movement and occasional drops. Components that flex or crack compromise the whole process.

Expect solid feed trays and strong springs that endure hundreds or thousands of reload cycles.

Ease of Setup and Maintenance

Setup can be frustrating if the tool requires complex adjustments or has unclear instructions. Intuitive features like quick-change adapters and easy tension adjustments let reloading start faster and reduce errors in primer seating depth.

Cleaning access matters because primer residue builds up and affects performance. Tools with removable trays or open designs simplify cleaning. Availability of replacement parts keeps the tool usable long-term, especially for springs, trays, and adjustment knobs that wear with use.

Safety Features

Accidental detonation is a real hazard, so effective safety mechanisms are essential. Features like spring-loaded safety catches or primer block shields help prevent the tool from pressing primers unintentionally.

Protective housing that contains primer ignition helps reduce injury risk if a primer goes off inside the tool. User warnings or indicator lights alert when primers feed improperly or jams occur, giving a chance to stop the process before damage happens.

Tips for Efficient Use of Automatic Priming Tools

Consistent priming pressure is essential for reliable reloads, especially when using an automatic priming tool. Adjust the tool’s priming depth carefully to avoid deforming primers. This adjustment varies by primer size and brand, so test with a few primers before a full batch.

Use the right primer tray or cartridge to match your tool to prevent jams and misfeeds. Loading primers slowly and steadily allows the mechanism to operate smoothly. Avoid rushing the process, which can cause double feeds or knocked primers.

  • Keep your fingers clear of the priming area to prevent misfeeds and injury.
  • Secure the priming tool firmly to your workbench for stability during operation.
  • Make sure all components are properly lubricated as recommended by the manufacturer to minimize wear.

These steps improve throughput and reduce primer deformation, helping you load ammunition more quickly without sacrificing safety or accuracy.

How to Properly Maintain and Clean Your Priming Tool

Disassembling the priming tool after every several uses helps maintain smooth function. Remove any leftover debris such as spent primers, dirt, or dust with a soft brush. Use a cotton swab dipped in a light solvent or rubbing alcohol to clean the priming cup and feed paths, avoiding harsh chemicals that can damage plastic parts.

Regularly check the spring tension and replace any worn springs to maintain consistent primer seating pressure. Lubricate metal moving parts lightly with a dry film lubricant or high-quality gun oil to prevent rust without attracting dust or gunk.

After cleaning, reassemble the tool carefully and test it with a few primers to ensure everything moves freely and feeds correctly. Performing routine cleaning and maintenance prolongs the tool’s lifespan and reduces misfeeds or jams during your loading sessions.

Common Mistakes to Avoid When Using Automatic Priming Tools

One common mistake is over-priming, where the primer is seated too deeply or pressed too hard. This not only risks primer failure but can also damage the case or firearm.

Adjust the priming depth before starting a batch to avoid this issue.

Another frequent error involves mixing different primer types or sizes in the loading tray. This often leads to malfunctions since the tool is calibrated for one size at a time.

Always use the appropriate primer for your tool and reload setup.

Skipping routine cleaning is a major cause of feeding problems. Old lubricant, powder residue, or primer scraps build up and interfere with smooth operation.

Avoid forcing the tool when it jams to prevent breaking delicate parts; instead, clear the obstruction carefully following instructions.

Storing primers and tools in damp or dusty environments can also cause issues. Keep both in a clean, dry workspace to maintain consistent performance and safety.

People Also Asked

How Do I Properly Care for an Automatic Priming Tool?

Keep the automatic priming tool clean and free of debris by wiping it down after each use and occasionally lubricating moving parts with light oil. This prevents jams and maintains smooth operation during priming sessions.

What Sizing Options Are Compatible with Automatic Priming Tools?

Automatic priming tools usually come with interchangeable dies or are compatible with standard primer sizes like Small Pistol, Small Rifle, Large Pistol, and Large Rifle. Check the model specs to match your primer size before purchase.

Are Automatic Priming Tools Safe to Use for Reloading?

Automatic priming tools are safe when handled properly, following the manufacturer’s guidelines and never using damaged or deformed primers. Always work in a well-lit, organized space to reduce the risk of accidental discharge.

How Long Does an Automatic Priming Tool Typically Last?

With regular maintenance and careful use, an automatic priming tool can last several years. Components like springs might eventually wear out but are often replaceable to extend overall tool life.

What Are Common Problems with Automatic Priming Tools and Fixes?

Common issues include primers sticking, double-feed, or tools jamming. Regular cleaning and checking for worn parts usually remedies these problems; adjusting the primer feed mechanism can also improve reliability.

Conclusion

Choosing an automatic priming tool depends mostly on how consistent the primer seating needs to be, ease of use during long sessions, and how well it handles different primer sizes. Durability also matters since this is a tool used repeatedly and should hold up without frequent maintenance.

Think about your available workspace and how often you’ll be reloading before picking one. A smaller, simpler model might work better for occasional use, while a larger setup could suit heavy loads.

Check the comparison table above to see which models fit your work style and budget best.

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