Surefire SOCOM FH 5.56mm 1/2×28

SureFire Suppressor Adapter/Muzzle Brake, fits M4 / M16 weapons and variants with 1/2-28 muzzle threads. The SFMB-556-1/2-28 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 including high-precision single-point cut threads for optimum thread interface the SF3P-556-1/2-28 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.