TacStar 1081210 Slimline SideSaddle Moss 500/590/Maverick 88

The 6 Round Slimline Sidesaddle Mounts Easily To The Side Of The Receiver And Requires No Modifications To The Shotgun.
Unbreakable, Corrosion Resistant Polymer Shellholder
Rugged, Aluminum Backing Plate
Easy Mounting, No Gunsmith Design