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Mossberg 9-Shell Side-Saddle 12ga Package

Mossberg Nine-Shell Side-Saddle 12ga Package
Part #: A.5.10.1002

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Most items ship within 1-3 business days via UPS or USPS, exceptions do occur during the holidays.


We back our products with a limited lifetime warranty and easy return policy.



 Made in the USA!_

Fits: Mossberg 500 12ga and 590 12ga and Maverick 88 12ga Shotguns

Note: Check to be sure your receiver is drilled and tapped, if not you will need to have that done by a gunsmith prior to installation.

  • Mossberg 12ga Side-Saddle
  • Military Type III Anodized, 6061 T6 Aluminum Construction
  • Mounts Using Existing Screw Holes in the Top of the Receiver
  • Sleek Skeletonized Side Saddle Design
  • Weighs Only 5 ½ oz.
  • Three Mounting Locations on Ejection Port Side
  • Six Mounting Locations on Non-Ejection Port Side
  • Mounting Location for 6 in. Top Rail
  • Nine Modular Add-a-Shell Shotgun Shell Holders
    • Military Grade Synthetic Construction
    • Add as Many as Nine Shells in any Configuration
    • Secures Shotgun Shell Firmly in Place
  • 6 in. Side-Saddle Top-Rail
    • Military Type III Anodized, 6061 T6 Aluminum 
    • Mount Optics or Other Accessories Securely to the Top Rail
    • Weighs Only 1 ¼ oz.
  • Limited Lifetime Warranty
  • Made in the USA


Side-Saddle Patent US 8,316,569 B1
Add-a-Shell Patent US 8,528,425 B2



Warning!!! - Do Not Over Tighten Screws
Stripped Holes and Broken Screw Heads are NOT Covered Under the Warranty

PDFMossberg Halo Side Saddle & Nine Piece Full Add-a-Shell Package