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.

XS Big Dot Tritium is a highly visible, tritium dot front sight surrounded by a large white ring epoxies over the existing front bead sight to help improve target focus and low light sight acquisition and sight recovery after muzzle flash. Ideal for home defense. Installs over front sight beads from...

The ML34044 Mossberg Tru-Dot Night Sight is a bead sight for model M500 with 5-40 thread. MEPROLIGHT sights, like our other self-illuminated products & devices take maximum advantage of tritium light sources - the fail-safe, maintenance-free light sources that don’t require any external source of en...