HELPING THE OTHERS REALIZE THE ADVANTAGES OF COLT 6943 UPPER FOR SALE

I'll consider to look for some. The piston rings seem like the bolt rings but at lesser. The outer diameter is about .375 of an inch and also the interior diameter about .310 of an inch.If any FFL during the chain has transferred a decrease for a rifle at any place, it's a rifle. Owning an FFL isn't going to make them geniuses or indicate that they