Manufacturer: Knight's Armament Co 25460
Knights Armament Company, AR-15, Foward Hand Stop, with Quick Detach Swivel, Picatinny, Black.
Knight's Armament Company's Hand Stop is like a forward pistol grip, but is less bulky and leaves extra room on the rail to mount more items. Comes with a Quick Detach Sling Mount Ring. This hand stop can be mounted facing forward or reverse depending on your preferred grip.