Fostech Strake Brake for .223/5.56 AR-15 Rifles - 1/2X28 Thread Pitch - Stainless Steel Finish - Shark Coast Tactical
UTG PRO AR15 Muzzle Brake, .223/5.56, 1/2X28, 2.25 Length Leapers Leapers, Inc. - Hunting/Shooting, Sporting Goods and Security Gear
