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Griffin Armament M4SD Muzzle Brake has been discontinued by Griffin Armament and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Weapon Accessories, Gun Parts, Muzzle Devices, Muzzle Brakes & Compensators yourself to try and find the perfect replacement for you!
The Griffin Armament M4SD muzzle devices interface with our M4SD / 30SD series of silencers and QD Blast Shield. The M4SD muzzle brake provides high efficiency recoil reduction and two durable, sacrificial baffles for use inside M4SD /30SD sound suppressors. CNC Machined and outside diameter ground from high strength, corrosion and wear resistant, 17-4 precipitation hardened stainless steel. The M4SD muzzle brake is black oxide finished. 1/2-28 threads offer compatibility with most 5.56mm Ar-15/M-4 carbine family weapons. Overall length of 2.25 inches will bring 14.5 inch barrels to the minimum legal length of 16.1 inches when permanently attached. Includes shim set and over-travel stop washer. Over-travel stop tab should be positioned at the bottom of the muzzle device (6 Oclock). Diameter: .863 inches. OAL: 2.25 inch. Weight: 2.7 ounces. Materials: 17-4PH Stainless Steel. Finish: Black Oxide. Attachment: 1/2-28 Thread. Ambidextrous QD Mount. Free of wear prone geometry. Precisely calculated porting to neutralize muzzle movement. 2 Sacrificial baffles to extend the life of your suppressor. 17-4 PH Stainless steel to withstand hard use. Lustrous Melonite Finish. Griffin Laser Logo Marked. 1/2x28 industry standard Thread Pitch for 5.56mm carbines. Shim set Included. Over-Travel stop washer Included. Compatible with M4SD series and 30SD silencers.![]()