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Product Review

  • Fit: Mossberg 500/590, 12 Gauge
  • Black, unbreakable, corrosion resistant polymer Shellholder
  • Rugged, aluminum backing plate
  • Easy mounting and in most cases requires no alterations to shotgun
  • Mounting hardware included
  • Sidesaddle mounts 6 extra rounds to your shotgun for quick access
  • Designed specifically for the Mossberg 500, 590 & 590 DA models
  • Field Grade Shotguns may require forend modification (See Description)
  • Mounting plate installs directly to side of shotgun receiver
  • All mounting screws are included
  • Sidesaddle mounts 6 extra rounds to your shotgun for quick access
  • Designed specifically for the Mossberg 500, 590 & 590 DA models
  • Field Grade Shotguns may require forend modification (See Description)
  • Mounting plate installs directly to side of shotgun receiver
  • All mounting screws are included
  • No shotgun alterations are required on most models