BCM Mk2 | Really Worth It?

In this video we go over the BCM Mk2 BFH enhanced lightweight upper. We do address the gas block and how it's mounted. Ammunition used in this video: PMC bronze 223. 55gr FMJ PMC X-tac 5.56 62gr M855 Winchester 5.56 62gr M855 AAC 5.56 77gr OTM