JK Armament JKBBLS320C Sig P320 9mm Luger 3.90″ Threaded Barrel – Black 416 Stainless Steel

Upgrade your Sig Sauer P320 with the JK Armament JKBBLS320C Threaded Barrel, engineered for shooters who demand precision, durability, and versatility. Chambered in 9mm Luger and measuring 3.90 inches in length, this drop-in replacement barrel is precision-machined from premium 416 stainless steel and finished in a tactical matte black — combining corrosion resistance with a sleek, purpose-built aesthetic.

Designed specifically to fit the Sig Sauer P320 platform, the JKBBLS320C offers a seamless, no-gunsmithing installation that delivers improved accuracy and the ability to run a suppressor or compensator thanks to its threaded muzzle. Whether you’re a competitive shooter looking for an edge on the range, a home defender customizing your carry pistol, or a suppressor enthusiast building out your host firearm, this barrel is a smart, high-value upgrade.

JK Armament is known for producing American-made, quality-focused firearm components, and this barrel is no exception. It’s built to strict tolerances for consistent feeding, reliable function, and enhanced shot-to-shot accuracy over the factory barrel.

**Key Features:**
– Caliber: 9mm Luger
– Barrel Length: 3.90″
– Material: 416 Stainless Steel
– Finish: Matte Black
– Compatibility: Sig Sauer P320
– Threaded muzzle for suppressor or compensator use
– Drop-in installation — no gunsmithing required
– American-made quality from JK Armament

Order online at Deep Roots Rifle Co for fast shipping, or stop by our Eustis, Florida gun store to speak with our knowledgeable staff about this barrel and other P320 upgrades. We carry a wide selection of hard-to-find aftermarket components and can help you build the perfect firearm for your needs.