12.5 inch upper chamber question
I have a quick question regarding the wolf a1 12.5 inch uppers. I just bought one and it seems like the muzzle crown area and chamber are in the white (not nitrided). Is this normal or did I get a lemon?
T91 Piston Upper, AR-15 Parts and Accessories, Discussion, Information Exchange, Specification, Buy, Sell, and Trade.