The ProMag 6-Position Collapsible Buttstock set provides the host shotgun with an AR-15 M4 style 6-position collapsible stock and tactical pistol grip. The set also includes a polymer tri-rail forearm and a removable vertical foregrip.. Constructed from high strength injection molded black polymer. All mounting hardware included.
Tri-Rail forend will not fit Post 2008 Mossberg 500 series (pinned action bar)
Tri-Rail forend will not fit Maveric 88
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