300 Blk Sizing Die Shootout - Part 1
This guide details a comparative analysis of Forster, Lee Precision, and RCBS sizing dies for 300 Blackout ammunition, as presented by Johnny of Johnny's Reloading Bench. The expert-level instruction focuses on identifying dies that provide optimal neck tension and prevent bullet setback, crucial for both accuracy and feeding reliability. The process involves meticulous measurement of expander balls, case stretch, and headspace, followed by live-fire testing to evaluate accuracy and velocity.












