Keep your spare shotgun shells right where you need them with the Monstrum Side Saddle Shell Holder. Built for use with Mossberg 500/590/Shockwave/Maverick 88 Series shotgun platforms, the shell holder accommodates up to six 12 gauge shotgun shells.
Unit installs into the pin holes on the side of the receiver with no additional gunsmithing required. Not compatible with other shotgun models.
All Monstrum mount and accessory products are backed by a lifetime warranty.