AR-15 5.5" Muzzle Brake 1/2 x 28 Thread 5.56 Caliber - Guntec

Material: Steel

Caliber: 5.56

Thread: 1/2 x 28

Weight: 7 oz.

Style: XM177

Length: 5.5"

Exit Hole Diameter: 3/4"

The AR-15 5.5" Muzzle Break is made of heat treated steel with a Black Nitride Finish. The Multi Porting significantly reduces recoil, also used as a muzzle compensator.

Permanently attach (pin and weld or silver solder) to a 10.5" barrel to make legal non-NFA. Made in the USA.

Guntec USA has been manufacturing AR-15, AR-308 and AR 9mm accessories since 1989. Our goal is to distribute excellent quality, at an economical value.