So I just completed my BCM build
So I am running a mid 14.5 BCM upper with BCM lower and H buffer. Everything is brand new including the pmags. Took it out today and I kept getting ftf I think might be fte, it seems like the bcg was trying to load two rounds at once.
Ammo was pmc bronze 55g fmj
And federal 223 rem 55 g fmj from walmart. I know BCM recommends mil spec pressure ammo with the H buffer so I guess my question is. The ammo listed above is it under powered for the H buffer?? This really sucks paid a lot for these parts and it doesn't run.
Thanks for any input.