The SureFire ProComp Muzzle Brake for 5.56mm firearms offers outstanding performance for M16 and M4 platforms featuring a 1/2"-28 tpi thread pattern. This muzzle brake is crafted from US mill-certified steel ensuring robust durability and precision. Its black nitride finish is designed to withstand harsh conditions while the Impulse Diffusion design effectively reduces recoil and muzzle rise. This results in improved target tracking and quicker follow-up shots. Note: This model is not compatible with SureFire SOCOM suppressors.