This aluminum AR hand stop is M-LOK, KeyMod, Picatinny Rail compatible. The KPM handstop is ergonomic shaped with a textured surface to provide slip resistant grip suitable for many different gripping techniques. This tactical hand stop is reversible and it can be mounted in either direction. The mounting tools, KeyMod feet, and M-LOK compatible T-nut included. Black hard anodized aluminum construction for tactical use.