SilencerCo Sig P320 Compact 9mm 4.50in Threaded Barrel 1/2×28

This SilencerCo threaded replacement barrel is made for the Sig P320 Compact and is chambered for 9mm Luger. It measures 4.50 inches and is constructed from 416R stainless steel with a black nitride finish. The barrel is threaded 1/2×28 to accept muzzle devices designed for that pattern and ships with a thread protector. For use with a pistol silencer you will also need a compatible piston.

Key Specifications

• The caliber is 9mm Luger.
• The barrel length is 4.50 inches.
• The material is 416R stainless steel.
• The finish is Black Nitride.
• The thread pattern is 1/2×28.
• The barrel is designed to fit Sig P320 Compact.
• The barrel feature is Threaded.
• The package includes a thread protector.
• The twist rate is 1:10.

Engineered as a direct-fit threaded replacement, this barrel provides a factory-style option for shooters who need a threaded muzzle on their P320 Compact. Its 416R stainless construction and nitride finish offer durability and corrosion resistance while the 1/2×28 threads accommodate commonly used muzzle devices and suppressor pistons. Whether preparing a pistol for suppressed use or swapping to a threaded barrel for other muzzle accessories, this SilencerCo barrel is a straightforward, purpose-built choice.