Shop › ADAPTIVE EX STK & FORND MOSS 500 12G ADAPTIVE EX STK & FORND MOSS 500 12G $134.99 Adaptive Tactical EX Performance Stock Kit, Fits Mossberg 500 12 Gauge, Forend and M4 Style Stock, Black AT-02006 Add To Cart Added! Adaptive Tactical EX Performance Stock Kit, Fits Mossberg 500 12 Gauge, Forend and M4 Style Stock, Black AT-02006