MOSSBERG 990 SPX SEMI-AUTO SHOTGUN W/MAGPULA(R) SGA ADJUSTABLE STOCK The 990 SPX delivers semi-auto convenience paired with a host of highly functional tactical components. Inside, the 990's durable gas system, corrosion-resistant internal parts and finishing, plus an enlarged/beveled loading port, elongated elevator, and anodized follower combine for smooth operation. Outside, the adjustable SGA stock allows incremental length-of-pull flexibilty, a tactical forend with an integrated heat shield and multiple mounting slots and ports provides accessory flexibility. The optic-ready cut receiver comes equipped with a rear ghost ring sight plate paired with the winged fr Mfg: Mossberg