Troy Medieval Muzzle Brake 7.62mm 5/8x24 TPI Black. Serves as improvised breaching device. Constructed of hardened 4140 steel with parkerized finish. Weighs 3 ounces. Length is 2.25 inches. Black. Specifications for Troy Medieval Muzzle Brake 7.62mm 5/8x24 TPI Black SBRAMED06BT00: Mfg Item Num: SBRAMED06BT00 Type: ACCESSORIES - GUN ACCESSORIES - RECOIL SUPPRESSORS made in specialized factories: made in specialized factories Tactica: Tactical Model Header: 7.62mm/.6.8mm Master Model Header: Medieval Muzzle Brakes The Troy Medieval Muzzle Brake 7.62mm 5/8x24 TPI Black SBRAMED06BT00 is a quality addition to the Troy Industries lineup. For more great deals on Muzzle Brakes & Compensators by Troy Industries please browse our Troy Gun Parts page.