Introducing the Samson M-LOK Hand Stop/Barricade Stabilizer. This product is CNC machined from aircraft grade 6061-T6 aluminum and equipped with two M-LOK mounting screws for maximum strength. It features aggressive waffle cuts for gripping barricade surfaces. Used as a hand stop, it keeps your hand from moving forward of the handguard for safety with short barreled rifles. Samsons M-LOK Hand Stop/Barricade Stabilizer keeps things under control.Features :6061-T6 AluminumKnurled face for gripping barricade surfacesErgonomic design for comfort