Monstrum Side Mounted 12 Gauge Shell Holder with Picatinny Rail Mo...

Monstrum Side Mounted 12 Gauge Shell Holder with Picatinny Rail Mount for Mossberg 500/590/Shockwave Series Shot

• Built for use with Mossberg 500, 590, and Shockwave Series shot models
• Patent Pending Shell holder accomodates up to six 12 gauge shot shells
• Patent Pending Ambidextrous design allows for installation on either side of the stock
• Rail mount allows for the mounting of Picatinny or Weaver standard scopes, red dots, or other optics
• Installs via included set screws into the Mossberg factory mounting holes with no additional mithing required. Note: Will not work if forend/pump action extends past the receiver.