Griffin Armament M4SD Muzzle Brake 5.56mm

Out of stock

Griffin Armament M4SD Muzzle Brake 5.56mm


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" will bring 14.5" barrels to the minimum legal length of 16.1" 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″
OAL: 2.25”
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

More Information
Manufacturer Griffin Armament
Configuration 1/2X28 Thread