The Radian AFTERBURNER + RAMJET combo delivers exceptional recoil reduction and match-grade accuracy in a concealed carry package designed for GLOCK 19/45 Gen6 pistols. This innovative system features a threadless barrel design with the proprietary INTRA-LOK mounting system for precise alignment and easy installation.Radian AFTERBURNER + RAMJET Combo SystemDesigned specifically for GLOCK 19/45 Gen69mm caliber with fluted match-grade barrelINTRA-LOK mounting system with taper lock principleHardened stainless steel construction with PVD finishGas sealing chamber and loaded chamber indicatorExtends slide length to match GLOCK 17 for holster compatibilityPerfect for competitive shooting and concealed carry applications this combo system provides enhanced accuracy and reduced muzzle rise while maintaining compatibility with standard GLOCK 17 holsters when mounted on a G19.