Designed to counteract recoil and lifting tendencies, rise armament's compensator helps you stay on target for fast follow-up shots.It is constructed of 416 stainless steel and is designed to counteract recoil and lifting tendencies.This model is compatible with your 223/5.56 nato ar15, has stainless steel finish, and 1/2x28 tpi threads.Finish: SilverType: CompensatorModel: RA-701Dimensions: 2.5"Size: 223 Remington/5.56 NATOMaterial: Stainless SteelThread Pattern: 1/2"-28 tpi