Just happened to be in one of those "right place at the right time" & picked up a bnib Brass Aluminum Forged Upper recently (offset square forge marking) for a decent price. I know from some google-fu, that BA Uppers are used by BCM, Stag, DPMS & RRA at various times. This particular unit is a matte finish with m4 feed ramps in place.
I tried lining this one up with my Noveske Gen II Lower and the take down holes are a hair off on the rear one & it's a b*^ch to actually lock into place, providing an ultra tight fit. I haven't had a chance to try this Upper on a friends Aero or NEA lowers to see if it lines up any better or worse.
I was wondering if any members on here have utilized one for a build and their thoughts or findings are similar?
Cheers
I tried lining this one up with my Noveske Gen II Lower and the take down holes are a hair off on the rear one & it's a b*^ch to actually lock into place, providing an ultra tight fit. I haven't had a chance to try this Upper on a friends Aero or NEA lowers to see if it lines up any better or worse.
I was wondering if any members on here have utilized one for a build and their thoughts or findings are similar?
Cheers


















































