VISM M-LOK Hand Stop, designed to mount onto M-LOK handguards.Features: Ergonomic shape suitable for many different gripping techniques Textured surface to provide slip resistant grip Reversible can be mounted in either direction Mounts onto handguard via two M-LOK compatible feet Hand stop covers 1.5 M-LOK slots Black anodized aluminum construction Mounting tool includedSpecifications: Color: Black