XS Sight Systems Shotrail Ghost Ring & Standard Dot Tritium Shotgun Sights Mossberg 500 590 930 Matte Black Standard MB-4000R-4. Rail is constructed from anodized aluminum and is compatible with weaver and Picatinny rings. Ghost ring rear is...
XS Sight Systems Shotrail Ghost Ring & Standard Dot Tritium Shotgun Sights Mossberg 500 590 930 Matte Black Standard MB-4000R-4. Rail is constructed from anodized aluminum and is compatible with weaver and Picatinny rings. Ghost ring rear is...