American Precision Arms G3F5838N Gen 3 Fat Bastard Self Timing Brake Black Nitride Stainless Steel with 5/8"-24 tpi Threads, 3.50" OAL & 1.10" Diameter for 338 Cal Rifle $154.93
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