F Dead Air DA102 KeyMount Muzzle Brake 5/8"-24 tpi 2.60" Black Steel $66.99 DA102 show more like this Calculated in cart GunZoneDeals F Dead Air Armament KeyMount 7.62mm 5/8x24 Thread Pattern $70.79 DA102 show more like this 3.92 GrabAGun.com F Dead Air Armament Muzzle Brake/QD Key Mount 7.62 NATO 5/8x24 TPI Black $71.29 DA102 show more like this $6.99 Impact Guns F DEAD AIR KeyMo Muzzle Brake 5/8-24 $71.43 DA102 show more like this Free on Guns, $9.99 Accessories, $14.99 Ammo Tombstone Tactical