Stoeger's M3020 is a 3 in, 20 ga Inertia Driven semi-automatic shotgun joins Stoeger's line of quality, affordable shotguns. The new M3020 defense semiauto supersizes the 20 ga option through a series of highly-desirable tactical features. Ghost ring sights make precise target acquisition a snap even in low-light conditions, while a receiver-mounted rail enables the use of a variety of optics. Additional accessory rail extends past the mag cap, giving you the option to attach tactical accessories such as flashlights or lasers.