Battery lock is smooth and absolutely positive

Steven Karg, ,

I bought your BCG a few months ago (full auto variant with hammer). I finally had a chance to run it and all I can say is wow! Battery lock is smooth and absolutely positive. Ejection of the brass is almost as ballistic as the projectile is leaving the end of the barrel. Honestly, I felt as though the overall function of the platforms I tested this in smoothed out. There was no change in performance with this Aero Precision upper receiver and Spikes’s Tactical barrel combo, a complete Aero upper and a complete Rock River. Wow, just wow. I am ordering 2 more