USED SIG SAUER Threaded Pistol Barrel P320 Compact/Carry 9mm Luger 4.6in 1/2x28 Nitron. 4.6in long. Designed to function with factory slides that include the loaded chamber indicator. SIG SAUER factory replacement pistol barrels are specially heat-treated for toughness and durability. Specifications for SIG SAUER P320 Compact/Carry Threaded Pistol Barrel 9mm Luger: Manufacturer: SIG SAUER Color: Black Finish: Nitron Barrel Length: 4.6 in Caliber: 9mm Luger Gun Make: SIG Sauer Gun Model: SIG Sauer P320 X-Carry SIG Sauer P320 Carry SIG Sauer P320 Compact Package Contents: SIG SAUER P320 Compact/Carry Threaded Pistol Barrel 9mm Luger Thread Protector SIG SAUER Infinite Guarantee What firearm models does the manufacturer say SIG SAUER P320 Compact/Carry Threaded Pistol Barrel 9mm Luger is compatible with? The manufacturer suggests that SIG SAUER P320 Compact/Carry Threaded Pistol Barrel 9mm Luger is compatible with SIG Sauer P320 Compact SIG Sauer P320 Carry SIG Sauer P320 X-CarrySIG SAUER 8900567: Threaded Pistol Barrel P320 Compact/Carry 9mm Luger 4.6in 1/2x28 Nitron