This SIG Sauer factory replacement barrel (SIG part number 8900315) is chambered in 9mm and measures 5.5 inches long, built as a direct factory replacement for the P320. Finished in Black Nitride, it is threaded so shooters can mount a suppressor or other muzzle device without any additional machine work. It is a straightforward way to add threading to a full-size P320 build using a genuine SIG Sauer part.

Key Specifications

• Chambered in 9mm Luger.
• Barrel measures 5.5 inches in length.
• Features a threaded muzzle for a suppressor or muzzle device.
• Finished in Black Nitride.
• Genuine SIG Sauer factory replacement part.

Frequently Asked Questions

Can I mount a suppressor on this barrel? Yes, it is threaded for a suppressor or other muzzle device.

What pistol does this barrel fit? The SIG Sauer P320.

What finish does it have? Black Nitride.

Buy the SIG Sauer P320 9mm Threaded Barrel, 5.5in

Add suppressor readiness to your full-size P320 with a genuine SIG factory barrel. Order this SIG Sauer barrel from our handgun barrels lineup, shipped fast from our Lubbock, Texas gun shop.