12 Gauge Shell Holder Side Mounted with Picatinny Rail Mount for Mossberg 500/590/Shockwave Series Shotguns

Side-mounted holder is an attachment specifically designed for Mossberg500, 590, and Shockwave series shotgun models.
The side mount allows attaching 6 of 12-gauge shotgun holder, designed for fast equipment, won't scratch or cause wear to any attaching parts.
If your shotgun comes with factory drilled mounting holes on top, our mount will fit perfectly there. If not, please find the nearest mount store to have them drill holes for you.
The mount comes with 5.47 inches 13-slot Picatinny rail, which you could apply red dots and scopes on. All red dots and scopes that design for 20-22 mm rail should work on it. Easy to assemble and stable to last.
Providing worry-free purchase and satisfaction, we offer our usual strong warranty and friendly customer service to help you enjoy this mount for years to come.