Side-Saddle 6-Shotshell Holder by TAC-STAR for Mossberg 500 & 590
The patented TacStar SideSaddle mounts 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.