Threading 11/16-16 Barrel

This barrel thread is a typical thread on Mac-10 and Master Piece Arms .45 acp - 10" Barreled rifles. It is a somewhat coarse thread. Return shipping is $18.99. You can send it to us and we will call you when it is ready to pay by credit card over the phone or send a check with the barrel. Turn around time on this and most threads is one week, please call for more specifics. thanks