300 AAC Blackout vs 5.56... Brick Wall Test

In this video, I put the 5.56 head to head against the 300 AAC Blackout. Will velocity overcome mass in this test?... Tune in to find out!

Need ammo? Sign up for the free newsletter! I send out links to ammo finds to my subscribers every Friday!
Sign up: www.langleyfirearmsacademy.com