SureFire Suppressor Adapter/Flash Hider, fits the Mk46 light machine gun. It features a patent-pending design that greatly reduces muzzle flash typically greater than 99 percent when compared with a plain muzzle. Boasting robust tines built to withstand the rigors of combat, the SF3P-556-MK46 also serves as a rock-solid mounting adapter for SureFire SOCOM Series 5.56 mm Fast-Attach suppressors. Precision machined from US mill-certified heat-treated stainless steel bar stock and including high-precision single-point cut threads for optimum thread interface the SF3P-556-MK46 flash hider is given a black Ionbond DLC coating to provide maximum protection under harsh environmental conditions and to facilitate cleaning, even after extreme use.