The Vism Sharp Commercial Stock is an ergonomic pistol grip adapter with finger grooves and textured non-slip grip for Remington 870. It allows you to use AR style collapsible buttstocks Commercial-Spec with the optional AR style stock adaptor attachments The grip adapter works with the optional grip end cap, AR style fixed, and left and right folding stock Commercial-Spec adapters and features QD sling attachments on both sides of the grip adapter and storage compartment with tight-sealing door for batteries and cleaning kits.