Upgrade your P365 with this SIG SAUER-manufactured threaded barrel for suppressors or compensators. Fits 3.7" slides found on the P365-XL and P365-XMACRO (non-comp) models. Factory replacement threaded barrel designed and tested thoroughly for the P365 chambered in 9mm with a 3.7" slide assembly. Works on P365-XL and P365-XMACRO (non-comp) slides. Includes a thread protector cap when not in use with a compensator or suppressor. SIG SAUER factory replacement pistol barrels are specially heat-treated for toughness and durability. Product Specifications Models: P365, P365X, P365-XL, P365-XMACRO, P365-AXG Barrel Length: 4.3 in [109.22 mm] Threaded Barrel: Yes Threads: 1/2 in - 28 tpi Loaded Chamber Indicator: Yes Caliber: 9mm Luger Color: Black Barrel: Finish Nitron Note: Compatible with P365 models, including P365-XL, P365-XMACRO, and P365-X models (The barrel will protrude further out on 3.1" slides found on the P365-X models). This is not compatible with the P365-FUSE slide assembly.