Shop › MOSSBERG 590A1 12GA SHOTGUN Image 1 of 1 MOSSBERG 590A1 12GA SHOTGUN $849.99 MOSSBERG 51773 590A1, 12GA, PUMP ACTION, 20 INCH BARREL, BLACK, EXTENDED TUBE, GHOST RING SIGHTS, RAIL, NEW100732 Add To Cart Added! MOSSBERG 51773 590A1, 12GA, PUMP ACTION, 20 INCH BARREL, BLACK, EXTENDED TUBE, GHOST RING SIGHTS, RAIL, NEW100732