MZ 1012SS AR TWISTED MUZZLE BRAKE by Xtreme Tactical Sports $20.00 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart AR .223 Twisted Muzzle Brake CNC Machined High Quality Steel Solid Machined Construction Heat Treated & Stainless Steel Finish Twisted Ports, Open Ended Reduced Back Pressure Does Not Include A Crush Washer