This Quick Detach (QD) flash hider muzzle device will allow a shooter to utilize any of the R556, R556A1, R556A2, R30A1 or R30A2 suppressors on the Heckler & Koch MP7 (M11.5×1). Featuring a birdcage-style flash hider, a taper mounting surface, and a ratcheting secondary retention system, this QD flash hider muzzle device will ensure precise and repeatable performance from your suppressor. Constructed of heat treated Chomoly Steel with OXyN gas nitride finish.