The Stinger - Matador Arms Corp

The STINGER has all the benefits of a traditional muzzle brake, with the option to add the Shell, directing the muzzle blast and noise away from the shooter and others nearby.
Available in 2 sizes
AR-15 .223/5.56 caliber - 1/2x28TPI
AR10 - .308/7.62 caliber - 5/8x24TPI