Now you can add sling swivels to your Mossberg 590 or 835 without altering your shotgun. Uncle Mike`s Magazine Cap Swivel Sets have a factory magazine cap with the swivel base already installed. Just unscrew the factory magazine cap and replace it with the new cap. For the buttstock, a 3/4` wood screw swivel base is included, along with two Super Swivels.
Features and Specifications:
Manufacturer Number: 18112
Mossberg 590 and 835 12 gauge pump action shotgun
Includes:
Replacement magazine cap with swivel base
0.75` wood screw buttstock swivel base
Two 1` Super Swivels