The Radian Weapons R0834 AFTERBURNER RAMJET for Glock 19 Gen 4 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 HolsteringFits Glock 19 Gen4