BARREL SIG P320 9MM 1/2X28 FULL SIZE Manufacturer Model Number: AC2413 Manufacturer: SilencerCo Model: Sig Sauer P320 Full Size BBL Caliber: 9mm Type: Accessory-Barrels Item Type: Accessory Finish: Black Nitride Shipping Weight: 0.35 Feature: Constructed Using 416R SS Feature: Fits Sig Sauer P320 Pistols Optic Adjustable Objective: false Optic Reticle Illuminated: false