ProMag mossberg 500/590 12 Gauge Collapsible 6 Postion Stock with Pistol Grip and Fore End Black
This stock assembly provides the Mossberg model 500 / 590 12 gauge pump shotgun with a AR-15 M4 6 position collapsible stock and tactical pistol grip. The set also includes a polymer forearm with Picatinny rails and a removable vertical foregrip. Up to six additional shotshells can be carried on the stock with the removable shell holders. Constructed from injection molded black polymer. All mounting hardware included.
Please note: The Tri Rail Forearm is for Mossberg 500 series 12 gauge Pre 2008 production
The Tri Rail Forearm will not fit new Mossberg 500 12 gauge shotguns the new pinned action bar (Maverick 88 style) forearms
The Tri Rail Forearm will not fit Maverick 88 shotguns
The Tri Rail Forearm is only for 12 gauge shotguns