Mossberg 500-590 shotgun receiver microdot base rail mount.
Specifications and Features:
Mossberg 500-590 receiver microdot and Picatinny rail mount for optics.
Dedicated microdot mount is compatible with all NcStar microdot reflex sights.
Allows the lowest possible microdot mounting height on the shotgun receiver.
Low profile Picatinny rail design with see-through channel allows use of the front bead sight.
Aluminum construction, black anodized finish.
Receiver rail screws and tool included.
Microdot base compatible with NcStar microdot optics: DDAB, DDABG, DDABL, DGAB, DXDAB and DXGAB.