The Mesa Tactical pocket sling adapter is designed to work with the Urbino tactical stocks. The pocket sling adapters are constructed of stamped steel with a Mil-Spec phosphate finish. This adapter is designed for the Urbino Benelli M4 stocks and accepts any push-button quick detach sling swivel. The adapter includes one U.S. Made push-button QD sling swivel. The mount can be positioned on the left or the right side of the receiver.