The Monstrum Tactical Mossberg 500/590 Series Picatinny Rail Mount is built for Mossberg 500 and 590 Series or equivalent shotguns. It allows for the mounting of Picatinny or Weaver standard scopes, red dots, magnifiers, or other optics. The rail installs via the included set screws into the Mossber...

The ProMag Mossberg 500/590 Enhanced Slide Safety is a blackened-stainless, tang-mounted, safety slide replacement for Mossberg 500/590 shotguns with an enhanced profile for positive thumb contact.