Attach a suppressor or other muzzle device to your SIG Sauer P320 with this factory threaded barrel (SIG part number 8900567), chambered in 9mm and finished in Black Nitron. It is built to work with P320 Compact, Carry, and X-Carry slides that use the factory loaded chamber indicator, and it also fits any P320 variant designed around a 3.9-inch non-threaded barrel. SIG Sauer heat-treats every factory replacement barrel for added toughness and durability, and this one ships complete with a thread protector to cap the muzzle when nothing is mounted.

Key Specifications

• Chambered in 9mm Luger.
• Barrel measures 4.6 inches in length.
• Threaded at 1/2-28 RH for a suppressor or muzzle device.
• Machined with a cut for the loaded chamber indicator.
• Fits P320 Compact, Carry, and X-Carry models.
• Also fits any P320 variant designed for a 3.9-inch non-threaded barrel.
• Finished in Black Nitron.
• Specially heat-treated for toughness and durability.
• Includes a thread protector cap.

Frequently Asked Questions

Does this barrel work with the loaded chamber indicator? Yes, it is machined for P320 slides that use the LCI.

What thread pattern does it use? 1/2-28 RH, ready for a suppressor or muzzle device.

Which P320 models fit this barrel? Compact, Carry, and X-Carry, plus any P320 variant built around a 3.9-inch non-threaded barrel.

Buy the SIG Sauer P320 Compact/Carry 9mm Threaded Barrel

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