This video is the third installment in a series focused on Hodgdon CFE BLK powder for the 300 Blackout cartridge. It specifically tests and compares the performance of six different primer types: Federal AR Match, Sellier & Bellot, CCI BR-4, No 41, 400, and 450. The goal is to observe how each primer influences the ballistics when used with CFE BLK in 300 Blackout. The spreadsheet link suggests detailed data will be presented.
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