True Precision Barrel 9MM Copper Thread Protector Threaded for Sig P365

True Precision Barrel 9MM Copper Thread Protector Threaded for Sig P365 Features: Owned and operated just outside Atlanta Georgia True Precision Match barrels are designed and A to the strictest tolerances. Made from US sourced certified 416R Match Grade stainless steel we go 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. True Precision Barrel 9MM Copper Thread Protector Threaded for Sig P365 Specifications: Finish: PVD Threads per Inch: 1/2x28 Barrel Twist Rate: 1-10 Caliber: 9mm Luger Gun Make: Sig Sauer Gun Model: SIG Sauer P365 Additional Features: 11* Competition Muzzle Crown All threaded barrels include a matching 416R stainless Steel thread protector with tension lock system and integral Vitton high-heat oring. Heat Treated to spec at 42-44 HRC Proprietary broach cut rifling technique that is inherently more accurate and longer lasting than traditional rifling. Non-threaded barrels feature a competition style 10 degree match target crown for equal and unobstructed gas dispersion leading to greater accuracy potential. Polished feed ramp X-Flute design shallow barrel fluting offers an aesthetically pleasing appearance that has no effect on barrel integrity or function at all. Designed for all ammunition types including cast lead. SAAMI Spec chamber Included Accessories: 1/2X28 Thread Protector Included