Military Arms Channel
27 Jun 2024
M855A1 - 14.5" barrel vs. 20" barrel.
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I recently did a video on the M855 vs the M855A1. The comments section had a lot of comments about me using a 18" Mk12 in the video vs. a 14.5" barrel. Some claimed this is why the velocities were lower. So, here's proof the 18" barrel didn't slow the velocity.
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