Sig Sauer 8900566 P320 9mm Luger 5.50″ Threaded Black Nitron Fits Sig P320

Replacement threaded barrel for SIG SAUER P320 Full-size with a loaded chamber indicator, chambered in 9mm. 5.5" long. SIG SAUER factory replacement pistol barrels are specially heat-treated for toughness and durability. Thread configuration: 1/2-28 RH. PLEASE NOTE This barrel is NOT compatible with the P320 X-FIVE slide.