The classic details of the time honored original are reproduced in today's semi-auto Thompson 1927-A1. This .45 caliber pistol features a 10.5" finned barrel and genuine American walnut woodwork. It has a blade front sight with an open rear adjustable sight. This Lightweight Deluxe pistol model features an aluminum frame and receiver with a black anodized metal finish, and a horizontal forearm and pistol grip. It includes one 100-round drum magazine.