True Precision Match barrels are designed and manufactured in the USA to the strictest tolerances. Made from US sourced certified 416R Match Grade stainless steel True Precision goes above and beyond to broach cut our rifling through a proprietary process that ensures both peak accuracy and reliability. Enhanced rifling techniques, better overall fit, lockup, finish options, and higher quality control standards set our barrels apart from both original OEM designs as well as other aftermarket barrels. Non-threaded barrels feature a competition style 10 degree match target crown for equal and unobstructed gas dispersion leading to greater accuracy potential. 1/10 Twist Rate Mfg: True Precision