The Radian Weapons R0836 AFTERBURNER RAMJET for Sig P365 combo provide unprecedented recoil reduction and match grade accuracy in a concealed carry package. The threadless barrel design allows for effortless install/removal for cleaning. INTRA-LOK allows the user to simply slide the compensator over the barrel, insert and tighten the locking screw, making for a simple and repeatable installation process. This system allows the user to easily remove the barrel from the slide for cleaning.Features :AFTERBURNER Compensator is Machined from Hardened Stainless SteelRAMJET Barrel Machined from Hardened 416R Stainless SteelINTRA-LOK Mounting System uses the Taper Lock PrincipleAngled Front Faces on the AFTERBURNER Aid in Holstering"Fits Sig Sauer P365 and P365X with 3.1" Slide"