Monstrum Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shotguns | 20 Gauge
- Built for use with Mossberg 500, 590, and Shockwave Series shotgun models.
- Not intended for use with other shotguns models.
- Shell holder available in two sizes - 12 gauge saddle accomodating up to six 12 gauge shells and 20 gauge saddle accomodating up to seven 20 gauge shells.
- Unit installs into the factory mounting holes of Mossberg 500 / 590 / and 590 Shockwave Series shotgun models with no additional gunsmithing required.
- All Monstrum accessory products come with a lifetime guarantee.