These were a closed bolt, semi-automatic version of the famous WWII Thompson SMG. This example has the all steel upper and lower trigger groups with the 27 inch long barrel with cooling fins. The barrel is fitted with the Cutts style compensator and it has a fixed blade front sight with an adjustable folding rear sight, graduated from 2-6 (200-600 yards). Standard markings. It is fitted with a hardwood buttstock, pistol grip and forend that has been painted black. The magazine is absent