Looking for the best case trimmer collets to enhance your reloading experience? We’ve compiled a list of the top 10 case trimmer collets, tested and reviewed for flawless performance and durability, to help you find the perfect fit for your needs.
Case trimmer collets are essential tools for reloading ammunition. They secure cases for precise trimming, ensuring accuracy and consistency. Whether you’re a beginner or a pro, the right collet makes all the difference.
Choosing the best case trimmer collet can be overwhelming with so many options available. From RCBS to Forster, each brand offers unique features tailored to specific needs. This guide will help you find the perfect fit for your reloading setup.
We’ve tested and reviewed the top case trimmer collets to make your decision easy. Dive in to discover the best tools for flawless performance and long-lasting durability. Let’s get started!
List of Top 10 Case Trimmer Collets
| Image | Title | Best For | Price |
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RCBS Case Trimmer Collet No. 2 |
This RCBS Case Trimmer Collet No. 2 is perfect for gun owners who reload their own ammo. It’s easy to use and works great with RCBS Rotary Case Trimmers. |
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UGLY SRT Shoulder Referenced Brass Case Trimmer (NO.10 COLLET ONLY(222 REM/223 REM)) |
This UGLY SRT Shoulder Referenced Brass Case Trimmer is perfect for reloaders who want precision and durability. It’s ideal for 222 REM/223 REM cases, offering smooth adjustments and long-lasting performance. |
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Forster Products Original Case Trimmer Collet #1 |
This Forster Products Original Case Trimmer Collet #1 is perfect for reloaders using the Forster Original or Power Case Trimmer. It securely holds and centers your case head for neck and shoulder operations. |
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Forster Products Original & Power Case Trimmer Collet #3 |
This Forster Products Collet #3 is perfect for reloaders using the Original or Power Case Trimmer. It works with specific calibers like 22 Hornet, 30-40 Krag, and 357 Mag. |
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UGLY SRT Shoulder Referenced Brass Case Trimmer (NO.15 COLLET ONLY(300 ACC BLACKOUT)) |
The UGLY SRT Shoulder Referenced Brass Case Trimmer is perfect for reloaders who want precision and durability. It’s ideal for 300 ACC Blackout cases and anyone needing smooth, accurate trimming. |
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RCBS Rotary Case Collet, No.3 Trimmer |
The RCBS Rotary Case Collet, No.3 Trimmer is perfect for gun owners who reload their own ammunition. It’s easy to use and works great with RCBS Rotary Case Trimmers. |
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Forster Products Classic Case Trimmer Collet #5 |
This Forster Products Classic Case Trimmer Collet #5 is perfect for reloaders who work with specific large caliber cartridges. It’s easy to use and fits Classic Case Trimmers only. |
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McJ Tools Reloading Case Trimmer Pilot Set of 8 Most Popular Sizes:.22/.24/.27/.28/.30/9mm/.44/.45cal (Shaft 3/16″) |
This McJ Tools Reloading Case Trimmer Pilot Set is perfect for gun owners and reloaders who need a reliable and durable tool. It’s ideal for trimming cases of the most popular sizes, ensuring precision and long-lasting performance. |
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Lyman, Brass Smith Case Trim Xpress Case Trimmer |
The Lyman Brass Smith Case Trim Xpress is perfect for rifle reloaders who want speed and accuracy when trimming cases. It’s easy to use and works quickly with no extra tools needed. |
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Forster Products Classic Case Trimmer Collet #8 |
The Forster Products Classic Case Trimmer Collet #8 is perfect for reloaders who work with specific rifle cartridges. It’s ideal for trimming cases like the 45-70 Gov or 38-70 Win. |
Detailed Reviews
Discover the top 10 Case Trimmer Collets handpicked for precision and durability. Each tool is expert-reviewed and backed by customer feedback, ensuring you get the best value. Whether you’re a beginner or a pro, this guide helps you find the perfect fit for your reloading needs. Dive in to upgrade your setup and achieve flawless results every time!
1. RCBS Case Trimmer Collet No. 2

The RCBS Case Trimmer Collet No. 2 is a reliable tool built to withstand outdoor use. It is designed to secure cases for trimming to the correct length. This makes it a great choice for precision when reloading ammunition.
This collet works with the Rotary Case Trimmer and Rotary Case Trimmer-2 only. It is easy to attach and simple to use. It ensures accurate case trimming every time.
RCBS is a trusted brand in ammunition reloading equipment. This collet offers long-lasting durability and secure performance for all your trimming needs.
| Pros | Cons |
|---|---|
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Perfect For:
This RCBS Case Trimmer Collet No. 2 is perfect for gun owners who reload their own ammo. It’s easy to use and works great with RCBS Rotary Case Trimmers.
Ready to Purchase?
2. UGLY SRT Shoulder Referenced Brass Case Trimmer (NO.10 COLLET ONLY(222 REM/223 REM))

Get ready for unmatched precision with the UGLY SRT Shoulder Referenced Brass Case Trimmer! It’s designed for flawless performance, featuring an ultra-smooth SKF ball bearing from France for effortless operation. Plus, its durable and sharp M2AL HSS cutter ensures clean, perfect trims every time.
Crafted from USA-made 6061 aircraft alloy, the main body is CNC milled for rock-solid durability. Its hard anodized surface provides exceptional wear resistance, like a ceramic shield. This trimmer is built to last through countless uses.
Always choose “SRT+NO.XX” for the complete trimmer and collet. The “COLLET ONLY” option is just for the collet. Double-check your selection to get exactly what you need!
| Pros | Cons |
|---|---|
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Perfect For:
This UGLY SRT Shoulder Referenced Brass Case Trimmer is perfect for reloaders who want precision and durability. It’s ideal for 222 REM/223 REM cases, offering smooth adjustments and long-lasting performance.
Ready to Purchase?
3. Forster Products Original Case Trimmer Collet #1

Forster Products Original Case Trimmer Collet #1 is a must-have for reloaders using the Forster Original or Power Case Trimmer. It securely holds and centers the case head for precise neck and shoulder operations.
This collet is specifically designed for the Original and Power Case Trimmers. It is not compatible with the Classic Case Trimmer. Easy to use, it ensures accurate results.
With its simple design, the Forster Collet #1 is an essential tool for any reloader. It guarantees a perfect fit and reliable performance every time.
| Pros | Cons |
|---|---|
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Perfect For:
This Forster Products Original Case Trimmer Collet #1 is perfect for reloaders using the Forster Original or Power Case Trimmer. It securely holds and centers your case head for neck and shoulder operations.
Ready to Purchase?
4. Forster Products Original & Power Case Trimmer Collet #3

Get ready to trim your cases with precision using the Forster Products Original & Power Case Trimmer Collet #3! This essential tool is designed to work perfectly with your Forster Original or Power Case trimmer, ensuring accurate and consistent results every time you reload.
This collet is for specific calibers. It’s not for the Classic Case Trimmer. Make sure it fits your needs!
| Pros | Cons |
|---|---|
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Perfect For:
This Forster Products Collet #3 is perfect for reloaders using the Original or Power Case Trimmer. It works with specific calibers like 22 Hornet, 30-40 Krag, and 357 Mag.
Ready to Purchase?
5. UGLY SRT Shoulder Referenced Brass Case Trimmer (NO.15 COLLET ONLY(300 ACC BLACKOUT))

The UGLY SRT Shoulder Referenced Brass Case Trimmer is a precision tool for reloading. It’s designed to trim 300 AAC Blackout cases with ease.
It uses a French SKF ball bearing for smooth operation. The M2AL HSS cutter stays sharp and durable. The Lock N Adjust ring allows tiny 1 thou adjustments.
The main body is made from USA 6061 aircraft alloy. It’s CNC lathe milled for accuracy. A hard anodized surface resists wear like ceramic.
| Pros | Cons |
|---|---|
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Perfect For:
The UGLY SRT Shoulder Referenced Brass Case Trimmer is perfect for reloaders who want precision and durability. It’s ideal for 300 ACC Blackout cases and anyone needing smooth, accurate trimming.
Ready to Purchase?
6. RCBS Rotary Case Collet, No.3 Trimmer

The RCBS Rotary Case Collet, No. 3 Trimmer is a key tool for trimming cases. It is designed for use with the Rotary Case Trimmer and Rotary Case Trimmer-2. This collet secures the case firmly for precise trimming.
RCBS is a leading manufacturer of ammunition reloading equipment. Their products are made for both rifles and pistols.
The No. 3 Trimmer Collet ensures a stable hold on cases during trimming. This tool is a reliable choice for achieving accurate results.
| Pros | Cons |
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Perfect For:
The RCBS Rotary Case Collet, No.3 Trimmer is perfect for gun owners who reload their own ammunition. It’s easy to use and works great with RCBS Rotary Case Trimmers.
Ready to Purchase?
7. Forster Products Classic Case Trimmer Collet #5

The Forster Products Classic Case Trimmer Collet #5 is made for specific calibers. It fits collets #5 to #8, used only with Classic Case Trimmers. These are not interchangeable with other models.
It works with many calibers like 280 Halger Mag and 416 Rigby. This collet ensures precise trimming for your cases.
| Pros | Cons |
|---|---|
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Perfect For:
This Forster Products Classic Case Trimmer Collet #5 is perfect for reloaders who work with specific large caliber cartridges. It’s easy to use and fits Classic Case Trimmers only.
Ready to Purchase?
8. McJ Tools Reloading Case Trimmer Pilot Set of 8 Most Popular Sizes:.22/.24/.27/.28/.30/9mm/.44/.45cal (Shaft 3/16″)

McJ Tools Reloading Case Trimmer Pilot Set is a must-have for reloaders. It includes 8 popular sizes for all your needs. The shaft size is 3/16″, fitting most trimmers.
This set works with top brands like Hornady and Redding. It’s an affordable replacement for worn-out parts.
Made from hardened stainless steel, these pilots are tough and precise. Crafted in Canada, they’re built to last.
| Pros | Cons |
|---|---|
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Perfect For:
This McJ Tools Reloading Case Trimmer Pilot Set is perfect for gun owners and reloaders who need a reliable and durable tool. It’s ideal for trimming cases of the most popular sizes, ensuring precision and long-lasting performance.
Ready to Purchase?
9. Lyman, Brass Smith Case Trim Xpress Case Trimmer

Reloading just got a whole lot faster with the Lyman Brass Smith Case Trim Xpress. This tool is designed for rifle reloaders who demand speed and accuracy. It’s a game-changer for your reloading bench.
Forget the hassle of power drills or extra motors. The Case Trim Xpress has its own power source and a strong variable speed motor. Simply push your brass against the carbide cutter for a quick and clean trim.
It includes 10 bushings that fit most popular bottleneck rifle cases. Get ready for perfectly trimmed brass every time!
| Pros | Cons |
|---|---|
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Perfect For:
The Lyman Brass Smith Case Trim Xpress is perfect for rifle reloaders who want speed and accuracy when trimming cases. It’s easy to use and works quickly with no extra tools needed.
Ready to Purchase?
10. Forster Products Classic Case Trimmer Collet #8

The Forster Products Classic Case Trimmer Collet #8 is designed for use with the Classic Case Trimmer. It works with collets #5 – #8 only, ensuring a precise fit.
This collet is compatible with a range of cartridge types like 280 Nitro Express Rimmed Flanged, 7.7×60 R, 40-70 Sharps Bottle Neck, and more. It is not interchangeable with Original or Power Case Trimmer Collets.
It is easy to use. It fits perfectly. It ensures accuracy.
| Pros | Cons |
|---|---|
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Perfect For:
The Forster Products Classic Case Trimmer Collet #8 is perfect for reloaders who work with specific rifle cartridges. It’s ideal for trimming cases like the 45-70 Gov or 38-70 Win.
Ready to Purchase?
Buying Guide
Choosing the best case trimmer collet is easy with the right guide. This tool ensures precise trimming for accurate reloading. Let’s find the perfect fit for you!
Factors to Consider When Buying a Case Trimmer Collet:
– Compatibility: Check if the collet fits your case trimmer model. Not all collets work with every trimmer.
– Caliber Size: Match the collet to your specific caliber. Wrong sizes lead to poor results.
– Material Quality: Look for durable materials like hardened steel or aircraft alloy for long-lasting use.
– Ease of Use: Choose a collet that’s simple to attach and operate for hassle-free trimming.
– Brand Reputation: Trusted brands like RCBS and Forster offer reliable and high-quality options.
– Precision: Ensure the collet provides accurate and consistent trimming for flawless performance.
– Price: Balance cost with quality to get the best value for your needs.
With these tips, you’ll pick the perfect case trimmer collet for your reloading setup. Happy trimming!