GG&G, Inc. Rear Sling Attachment Mount, Fits Moss 500/590, Quick Detach, with Heavy Duty QD Swivel, Black Finish GGG-1429
GG&G, Inc. Ambidextrous Single Point Sling Mount, Fits Moss 500/590, Black, HK Hook GGG-1293
GG&G, Inc. Single Point Sling Mount, Fits Moss 500/590, Black Finish, HK Hook GGG-1284
GG&G, Inc. Single Point Sling Attachment Sling Mount, Fits Moss 500/590, Black Finish GGG-1132
Ergo Grip Double Sling Loop End Plate, Fits Mossberg 500/590, Black 4969
Ergo Grip Tactical Stock Adapter, Fits Mossberg 500, 590, Black Finish 4454