The RCBS Trim Pro 90291 Cutter in .375 caliber is a three-way cutting head designed to streamline your case preparation workflow. If you're already running an RCBS case trimmer, this dedicated cutter head transforms your setup into a multi-function tool that handles trimming, chamfering, and deburring in a single pass. It's the kind of efficiency gain that pays off fast when you're processing brass in volume—whether you're loading for precision rifle, hunting, or competitive shooting.
The innovation here is straightforward: instead of swapping tools between trimming, chamfering, and deburring operations, the three-blade head configuration does all three simultaneously. That means less handling of each case, less setup time, and more consistent results. The .375 pilot is caliber-specific, so it seats your case accurately and delivers reliable cut dimensions shot after shot.
This cutter head is built as a standalone component, so it pairs with any existing RCBS case trimmer you may already own. If you don't have a trimmer yet, you can add one separately. The modular design also means you can build out a suite of caliber-specific pilots over time to cover your entire reloading lineup without replacing the head itself. It's a smart investment if you're serious about consistent brass prep and want to cut your case processing time without sacrificing quality.

