Federal XM193 5.56 55gr FMJ AR-15 Four Barrel Lengths Test

Shooting the Federal XM193 55GR 5.56 over the chronograph work a 10.5″, 16″, 18″, and 20″ AR-15.

Please Support on Patreon:Alaskan Ballistics Patreon

All the music for this channel is written by me as well as the photos are taken by me. Check out my music channel Bost Custom Music Writing on youtube:  Latest Music Here. 

Alaskan Ballistics

I’m just a regular guy who likes guns, hunting, and ballistics.