The Griffin Armament M4SD Flash Compensator combines the functions of a Flash Supressor, Muzzle Brake and a Tactical Compensator into one package. The M4SD II Flash Compensator achieved a perfect 5 out of 5 in National Tactical Officers Association testing to achieve the rare, coveted NTOA Gold seal of approval granted to devices which achieve perfect evaluations. The M4SD Flash Compensator is pre drilled, and 2.25" in length to bring a 14.5" barrel up to 16" when permanently attached for non-SBR, M4 carbine builds. The M4SD Flash Compensator is compatible with Griffin M4SD suppressors and provides a sacrificial baffle to increase the service life of your silencer. Includes shim set and over-travel stop washer.
- Caliber: 5.56mm
- Diameter: .863"
- OAL: 2.25"
- Weight: 2.9 ounces
- Materials: 17-4PH Stainless Steel
- Finish: Black Oxide
- Attachment: 1/2X28 Thread
- Over-travel stop tab should be positioned at the bottom of themuzzle device (6 Oclock).