Caliber-specific pilot stop for the RCBS Flash Hole Deburring Tool. Reduces case variation and improves consistency for .41 caliber reloading.
This caliber-specific pilot stop is an essential accessory for the RCBS Flash Hole Deburring Tool. It allows you to adapt the deburring tool to work precisely with .41 caliber cases.
The flash hole is the small opening in a cartridge case that allows the firing pin's strike to ignite the primer. During manufacturing, excess brass can remain around this hole, creating inconsistencies that affect:
The pilot stop centers your case properly in the deburring tool, ensuring uniform removal of excess brass from the flash hole. This standardization reduces case-to-case variation and contributes to tighter shot groups.
This is the pilot stop component only. It is designed to work with the RCBS Flash Hole Deburring Tool (sold separately). RCBS offers pilot stops in various caliber sizes to accommodate the most popular reloading calibers.
If you're committed to precision handloading and want to eliminate one more source of ammunition variation, flash hole deburring is a proven technique used by competitive shooters and accuracy-focused reloaders.