Gemtech QUICKMOUNT, Carbon Cutting Muzzle Brake, 7.62NATO, 5/8X24, Black Finish 12155 The new GEMTECH Muzzle Brake is for users who want less felt recoil" less muzzle climb" and faster follow up shots" this is the device for you. Quick mount lugs for use with TPR-S" HVT-QM" QUICKSAND" and ONE suppressors.