TPRCSN Barrel, 9MM, Threaded 1/2x28, Fits Sig P320 X-Compact, Nitride Finish, Black TP-P32XCB-XTBL True Precision" Inc. is located just outside Atlanta Georgia and was formed so that individuals will have access to high quality" US made" parts and components for a wide array of firearms. True Precision barrels" slides" and parts are designed for personal defense first. All parts are engineered" machined" and made from the ground up here in the USA by Americans and in partnership with only American companies. Designed for the Sig Sauer P320 X-Compact" this 9mm drop in barrel comes threaded with 1/2x28 threads and features a black nitride finish for long lasting performance.