Sig Sauer P320 9mm 4.3in Threaded Nitron Barrel

Description

This is a factory Sig Sauer replacement barrel for the P320 platform, chambered in 9mm Luger and finished in Nitron. The barrel measures 4.3 inches and features 1/2×28 RH threading for muzzle device or suppressor attachment. It ships with a thread protector and is heat-treated for durability.

Key Specifications

• Chambering is 9mm.
• The barrel length is 4.3 inches.
• The thread pitch is 1/2×28 RH.
• The factory finish is Nitron.
• The listed color is Black.
• Barrel features are Threaded.
• The package includes a thread protector cap.
• The barrel is intended to fit Sig Sauer P320 (subcompact/XCompact variants reported).
• The product type is Barrel.

This threaded Sig Sauer barrel provides a factory-spec replacement option with a durable Nitron finish and standard 1/2×28 RH threading for common muzzle devices. It’s a straightforward option for shooters who need a serviceable threaded barrel in a compact length, offering OEM fit and finish for compatible P320 slides.