SIG SAUER Barrel P320 9 mm Luger 5.50in Threaded Black. 5mm Barrel is the perfect upgrade or replacement barrel for your P320 full-size pistol. These Pistol Barrels can be easily replaced by ensuring your firearm is not loaded removing the slide from the receiver and grip module and sliding out your existing barrel. Complete with a nitron finish these P320 full-size barrels are built to last and will perform even in the harshest conditions. Upgrade your pistol barrel today to experience improved performance with a long-lasting durable 9mm barrel. Specifications for SIG SAUER P320 9 mm Luger Threaded Barrel: Manufacturer: SIG SAUER Color: Black Finish: Nitron Barrel Length: 5.5 in Caliber: 9mm Luger Gun Make: SIG Sauer Gun Model: SIG Sauer P320 Additional Features: Threaded Condition: New Package Contents: SIG SAUER P320 9 mm Luger 5.50" Black Threaded SIG SAUER Infinite Guarantee What firearm models does the manufacturer say SIG SAUER P320 9 mm Luger Threaded Barrel is compatible with? The manufacturer says that SIG SAUER P320 9 mm Luger Threaded Barrel is compatible with SIG Sauer P320SIG SAUER 8900315 P320 9 mm Luger 5.50 Black Threaded