In today's video, we will see what kind of difference there is in the performance of M855A1, M855, SS109, and XM193 on mild steel. All steel testing was setup at 50 yards using A529 gr55 mild steel and a 3/8" thick AR500 Plate. Thanks for watching!

*These tests are meant for entertainment and educational purposes only. Shooting steel can be dangerous, so do not try any of these tests at home!