Durable, elastomeric polymer 5-shell carrier mounts securely with screws on either side of any full length wood or polymer stock. Quick and easy access to extra 12 GA rounds. Fits any 12 GA Shotgun buttstock. Does not include shotgun shells. 

Also will fit the ATI Top Folding Stock.

Five additional 12 GA shot shells are easily accessed from the elastomeric polymer shotshell holder. Shell holder adapts easily to mounting plate, which provides a secure attachment to the buttstock. Backplate and shell-holder can be mounted on right or left side of buttstock. Designed for right or left handed shooters, it is specially engineered for the SHOTFORCE AR-15 Buttstock. Unconditional Lifetime Warranty.  All ATI Gun Stock accessories for the Remington 870 will also fit the H&R Pardner Pump shotguns.

The patented TacStar SideSaddle mounts 4 or 6 extra rounds on your shotgun in a convenient and accessible location for fast reloading. The Hytrel® polymer shell carrier is attached to an aluminum mounting plate that installs directly on the shotgun receiver. All mounting screws are included, no gunsmithing required. Installation is easy, and in most cases requires no alterations to the shotgun. Note: some field grade shotguns may require a modification to the shotgun’s forend ( Forearm could be too long, either cut down or replace).  Shotguns using the TacStar pistol grip forend ( Or ATI forends)  do not require modification. The 4-round SideSaddle will also work smoothly with all models without modification.