Choate Tool Qd Moss Mount&Sling Loop Ambi Back Plate12 Gauge. The QD sockets are made to only turn 1/4 of the way to prevent movement when slung. Mounts between your receiver and stock. Specifications for Choate Tool Qd Moss Mount&Sling Loop Ambi Back Plate: Manufacturer: Choate Tool Color: Black Country of Origin: USA Features of Choate Tool Qd Moss Mount&Sling Loop Ambi Back Plate Push button QD sling sockets ambidextrous Package Contents: Choate Tool Qd Moss Mount&Sling Loop Ambi Back Plate Choate Tool CMT-02-09-01: Qd Moss Mount&Sling Loop Ambi Back Plate12 Gauge