Rex Silentium 5/8x24 .308cal Thread-Over Muzzle Break w/ Suppressor Mount

Rex Silentium's Thread-Over-Muzzle Break is not compatible with any other thread over break systems and use with those systems should not be attempted.Specifications:Brake: 1.500" Long x 0.935" Diameter - Weighs 2.0oz5/8"x24 TPI w/ .308" BoreBrake requires no timing or leveling11/16" HEX body for wrench or socketMount: 1.450" across flats - Weighs 1.9oz - 1.375-24 HUB ThreadWorks with HUB threaded suppressors that have 1.50" or more clearance from back of suppressor to the first baffle17-4 Stainless SteelHardened to 47Rc at approx 190,000 psi tensile strengthDark Bronze color (as heat treated)