Monstrum Side Mounted 12 Gauge Shotgun Shell Holder with Picatinny Rail Mount for Drilled and Tapped Remington 870 Model Receivers

Combination shell holder/optics rail mount for Remington 870 Express Tactical Shotgun models Mounts to Remington 870 Express Tactical shotguns or other models with drilled and tapped receivers using the factory mounting holes on top of receiver For installation on Remington shotgun models without the factory mounting holes, we recommend installation by a professional gunsmith. Accomodates up to six 12 gauge shotgun shells Rail mount allows for the mounting of Picatinny or Weaver standard scopes, red dots, or other optics