UAS 870 - Solid Piece Pistol Grip and UAS Buttstock with polymer knuckle by FAB
The UAS 870 Solid Piece Pistol Grip and UAS Buttstock was designed to enhance overall tactical control on your Shotgun.UAS Tactical Knuckle Features: Tough and robust design.  Push button to release locking when Open. Spring lock for the Folded position. Pull to Open        the lock from folded position.