American Precision Arms G2F5838N Gen 2 Fat Bastard Self Timing Brake Black Nitride Stainless Steel with 5/8"-24 tpi Threads, 3.30" OAL & 1.115" Diameter for 338 Cal Rifle $132.80
ATI Outdoors A5102251 Shark Muzzle Brake Black Oxide Steel with 1/2"-28 tpi Threads for .223 Cal/5.56 AR-15 $31.49