The Thompson M1 was used victoriously in battles throughout the world inscribing its place for all times a legend among military firearms. The M1 SemiAutomatic Carbine offers the same attention to craftsmanship today that made the original so highly regarded. The look and feel are authentic right down to the side bolt action and genuine American walnut woodwork. It has a blade front sight with fixed battle rear sight. This Lightweight Carbine model is a 45 ACP with a 16.5 barrel. The frame and receiver are milled from solid aluminum with a black anodized metal finish. It has a fixed buttstock pistol grip and vertical foregrip. It includes one 30round stick magazine. NOTE This Lightweight M1 Carbine is not compatible with drum magazines."