Tiger Rock AR-15 223/5.56 Shark Muzzle Brake 1/2x28 Pitch Thread w/ Crush Washer

Tiger Rock AR-15 223/5.56 Shark Muzzle Brake 1/2x28 Pitch Thread w/ Crush Washer. It has a total of 8 ports to redirect pressure resulting in less muzzle rise and overall recoil. Crush Washer not Included Specifications for Tiger Rock Shark Muzzle Brake: Manufacturer: Tiger Rock Threads per Inch: 1/2x28 Gun Make: AR Platform Gun Model: AR-15 Package Contents: Tiger Rock Shark Muzzle Brake Which weapon models is Tiger Rock Shark Muzzle Brake compatible with? Tiger Rock Shark Muzzle Brake is compatible with AR-15Tiger Rock MBR25: AR-15 223/5.56 Shark Muzzle Brake 1/2x28 Pitch Thread w/ Crush Washer