Function testing handloads for a new 300 Blackout setup. Core15 9.5" 1 in 8" twist barrel, custom short barreled rifle setup and Gemtech Trinity 9mm suppressor with 5/8-24 adapter (with tax stamps). 208 grain Hornady AMAX bullet seated to 2.235" over 10.8 and 11.0 grains of A1680. mixed LC 5.56 brass cut and sized to 300BLK. filmed with an iPhone by the kid- go easy, his first video behind the camera.
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