1921 Thompson manufactured by Colt. I would rate the condition of the weapon at 85% condition. We purchased this from a police department. The police department engraved there name under the bottom of the gun where the buttstock slides on see the picture. The serial number is 6938 and is all matching. The gun comes with a Type "L" 50 Round drum magazine. The gun is full auto and is fully transferable. If you would like to see more pictures or questions email me and I will get them for you. And the gun is available for view if you are interested.