These shotgun side bases attach to the side of the receiver, providing a mounting point for the Convert-A-Mount top brackets (sold separately). Any of the top brackets will attach to this mount, allowing you to exchange or remove optics in seconds. Please note that drilling and tapping may be required for some guns.
Mossberg 500 (12 and 20 gauge)
Material: Aluminum Alloy
This base fits on the side of the firearm.
Mounting Hardware Included