@ rnemhrd - no I haven't "back tracked" was hoping I wouldn't have to. Yes it was working flawlessly with the TAC-47 before I put the new furniture on it.
@ misterT - I cleaned it after first shooting it with the new furniture, thinking that might be the problem. Shot it after the cleaning and actually had one of the 00 Buck stovepipe on me. I will check out the gas piston tonight.
On another note, when I cleaned it before this last shoot, I noticed on the left side on the upper front part of the forearm there was some carbon on the inside part of the forearm. There is a hole in the g