Rearden Mfg SPB Muzzle Brake, Black Nitride (1/2-28)

The Rearden SPB is a single-port muzzle device and is compatible with Atlas, Atlas XL and Plan B mount interfaces.

The SPB is constructed from 17-4 PH H900 and black nitride finished for corrosion resistance. 

NOTE: Use on a Q can voids your warranty.

SpecificationsMuzzle Thread Pattern1/2-28Bore Diameter.375Length1.73″Length Added1.105″Weight2.26 ozMaterial17-4 PH H900FinishBlack Nitride(67 HRC)Mount TypeRearden Atlas/Atlas XL, Plan B