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compatible with mossberg 500-590 12 gauge models.
Fits all Mossberg 12 gauge shotgun shells, Quick detach design holders
Great for slug shooting, hunting, home defense, security or tactical shotgun use
Easy installation
Durable ALUMINUM base rail mount adapter and 12 gauge polymer shell holder kit.
Great for slug shooting, hunting, home defense, security or tactical shotgun use Fits standard Mossberg 500 and 590 Models 12 gauge with included hardware. Installs via included set screws into the Mossberg factory mounting holes No modifications are required to the weapon for installation. Tough waterproof shell carrier is mounted to an aluminum mounting plate that installs directly on the shotgun receiver. The shell holder is made of corrosion-resistant polymer. Allows for the mounting of Picatinny or Weaver standard scopes, red dots, magnifiers, or other optics. Low Profile Picatinny Rail mount design with See-Through Channel allows you to still use the Front Bead Sight. Screws included for mounting rail to Shotgun Receiver. All Aluminum Construction. Black Anodized finish. Length: 5.4" Rail is designed to fit Mossberg 500/590 models with the factory pre-drilled holes on top of the shotgun receiver. Screws included for mounting rail. Our 12 gauge polymer shell holder features: This Universal 12GA Shotgun Shell Holder will attach to any Picatinny rail on your shotgun for fast and easy access to 5 shotgun shells, whether they be 2 3/4 or 3" shells. It securely holds them in place while on the go, and from the recoil of your 12ga shotgun. Constructed of high-grade glass-filled polymer, this shell holder will last you a long time.