Our .223 5.56 Linear Muzzle Brake Compensator is perfect for your AR pistol or any other SBR short barrel rifle build threaded in 1/2-28 TPI. The muzzle brake is machined from carbon steel and finished off in a sleek black nitride coating. The cone canister is precision machined from T6 6061 aircraft aluminum and finished off with a knurled and semi smooth finish before being finished in a matte black type III hardcoat anodized finish, this muzzle brake compensator will look great on your SBR rifle or even carbine. Please ensure your barrel is threaded 1/2-28 thread pitch. All our muzzle brakes include a free crush washer for timing your muzzle brake to your rifle.