MDT Elite Muzzle Brake 6.5 CM/.308 WIN M18x1.0 Black. By reducing recoil by up to 66percent the follow-shot speed and accuracy is greatly improved while a straight cut through the rear baffle reduces concussive forces. MDT Muzzle Brakes are constructed out of steel 1018 steel and are provided with an overlapping lock nut for threaded barrels. Muzzle brake thread profiles available are: 1/4in-28 3/4in-24 5/8in-24 M18x1.0 M18x1.5 Specifications for MDT Elite Muzzle Brake: Manufacturer: MDT Color: Black Fabric/Material: 1018 Steel Additional Features: Has 35 degree angled baffles for increased recoil reduction Condition: New Package Contents: MDT Elite Muzzle Brake MDT 103663-BLK: Elite Muzzle Brake 6.5 CM/.308 WIN M18x1.0 Black