RCBS 9379 Case Trimmer Pilot 24 Cal Metal, 1 oz

The RCBS 9379 Case Trimmer Pilot for .24 caliber is a precision metal component designed to keep your case-trimming workflow running true. If you're setting up a dedicated reloading bench for smaller cartridges—whether you're prepping .243 Winchester, .240 Weatherby Magnum, or other .24 cal rounds—a quality case trimmer pilot is one of those often-overlooked details that separates sloppy prep work from ammunition that chambers and shoots consistently. This pilot's tapered design helps guide it smoothly into the case mouth, reducing friction and the risk of damage to brass during the trimming operation.

Case trimming brass to spec is a critical step in the reloading process. Fired cases stretch during chambering, and if you don't trim them back to SAAMI length, you'll end up with inconsistent feeding, excessive pressure, or safety issues downrange. A dedicated pilot for your caliber—rather than forcing a one-size-fits-all solution—gives you confidence that each case is being trimmed correctly. The RCBS 9379 is built to work with RCBS trimming systems and will give you years of reliable service if you're running a bench that handles .24 caliber work regularly.

This is a consumable component, and pilots can wear over time with heavy use, so having a spare on hand isn't a bad idea. Weighing 1 ounce and sized for .24 caliber cases, it's a straightforward, no-fuss piece that does one job well.

Key Features

• Tapered design guides cleanly into case mouth without binding
• Precision metal construction for durability and accuracy
• Caliber-specific fit for .24 cal cartridges
• Compatible with RCBS rotary and manual case trimming systems

Specifications

Frequently Asked Questions

What RCBS case trimmer systems is this pilot compatible with?

The RCBS 9379 pilot is designed to work with RCBS rotary case trimmers, as well as the Trim Pro manual and Trim Pro-2 power case trimmers. Check your trimmer model to confirm compatibility before purchase.

Can I use this pilot for other calibers?

No. This pilot is caliber-specific for .24 cal cases. Using an incorrect pilot size can damage your brass or produce inconsistent trim lengths. Use only the pilot matched to your cartridge.

Do I need a separate collet?

Yes. The case trimmer pilot is sold separately from collets and trimming equipment. Depending on your RCBS trimmer model, you may need to acquire the appropriate collet and trimmer unit as well.

How often do I need to replace this pilot?

Pilots can wear over time with heavy use. If you notice rough trimming, inconsistent results, or difficulty seating the pilot, it may be time for a replacement. For regular reloaders, having a spare on hand is a good practice.