Mossberg 500, 590 & Maverick 88 Upgrades
Upgrade your Mossberg 500, 590, 590M or Maverick 88 12-gauge shotgun with compatible stocks, forends, action slide tubes, shell carriers and tactical light forends. Use the fit guide below to confirm your model and determine whether you need a 6¾-inch or 7¾-inch action slide tube before ordering.