The M4SD-II muzzle brake provides high efficiency recoil reduction and
two durable, sacrificial baffles for use inside M4SD-II sound
suppressors. CNC Machined and outside diameter ground from high
strength, corrosion and wear resistant, 17-4 precipitation hardened
stainless steel. The M4SD II muzzle brake is black oxide finished.
1/2×28 threads offer compatibility with most 5.56mm Ar-15/M-4 carbine
Overall length of 2.25" will bring 14.5" barrels to the minimum legal length of 16.1" when permanently attached.
JoeBobOutfitters is a distributor for Griffin Armament. Dealers, military, and LEO may inquire about bulk pricing structures and discounts.