1 year ago

110

Sports 300 BLK velocities .300 Blackout vs. .223 300 BLK supersonic subsonic 300 Blackout 300 BLK pistol 300 Blackout carbine BLK 300 Blackout chronograph

300 Blackout Velocity Test - 10.5" vs 16" Barrels.
The common conception is that the .300 BLK was designed to be at its full potential by 9" of barrel, we test that theory by running 10.5" and 16" barrel lengths over the chronograph using supersonic ammo.

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