SIG Sauer P365 Threaded Barrel 9mm 3.7″ 1/2-28 – Drop-In Suppressor-Ready Upgrade

Upgrade your SIG Sauer P365 with the factory OEM SIG Sauer Threaded Barrel in 9mm, featuring a 3.7″ barrel length and industry-standard 1/2-28 thread pitch. Designed as a direct drop-in replacement, this barrel allows you to run your favorite suppressor or muzzle device on one of the most popular concealed carry pistols on the market. Built to SIG Sauer’s exacting manufacturing standards, this barrel delivers the same fit, function, and reliability you expect from a factory component — no gunsmithing required for installation. Whether you’re building out a suppressor host, upgrading your EDC setup, or simply replacing a worn barrel, this is the right choice for P365 owners who refuse to compromise on quality. At Deep Roots Rifle Co, we stock hard-to-find SIG Sauer accessories and ship fast nationwide. Stop by our Eustis, Florida gun store for hands-on help, or order online today and get this factory SIG barrel shipped straight to your door.