Magpul Industries Forward Sling Mount, Dedicated Fit For The Remington 870 And Mossberg 500, 590, And Maverick Shotguns With An Extended Mag Tube, Melonite Treated Steel, Black Finish MAG508
Magpul Industries Forward Sling Mount, Dedicated Fit For Mossberg 590A1 Models With Factory Extended Magazine Tube And Will Not Fit Other Mossberg Models, Melonite Treated Steel, Black Finish MAG493