Alexander Arms MBEOTNKKIT Tank Muzzle Brake Kit Black Steel with 49/64-20 tpi Threads 3.50" OAL 1.50" Diameter for 50 Beowulf $162.93
Alexander Arms MBMMB64KIT Millennium Muzzle Brake Kit Black Steel with 49/64-20 RH tpi Threads 4" OAL 3.50" Diameter for 50 Beowulf $167.96