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Sep 25

300 AAC Blackout Ammo Case Trimming Kit

A demonstration of the 300 AAC Blackout Ammo Case Trimming Kit from GSI International.

This kit is a 2 die set up. The first 300 blackout die is a rougher. The second die is a finisher its job is to final trim the case and final sizes the case. The whole 300 blackout kit is topped off with a tool head that has a vacuum port built into it. This allows the brass shavings to be cleaned out of the die when trimming your 300 black out brass.