Ok so I'm new at making topics. Here's the deal. My s12 hates to cycle anything besides slugs. Even 2 3/4 00buck has FTE. I have removed the gas block, drilled out the ports, polished some pieces on the bolt carrier, oh and the v plug that I now feel I wasted money on. When I pull my charging handle back I can feel a slight catch or resistance when the bulk of the bolt carrier travels over the hammer. I remember reading somewhere that the drop in g2 FCG needs some fine tuning an that part of it may be profiling the hammer. It makes sense to me cause I can see the bolt travel to the rear but bi