Auto Ordnance Thompson 1911 45 Auto (ACP) 4.25in Matte Black Pistol - 7+1 Rounds - The Thompson 1911 Pistol has a Matte Black barrel, brown checkered plastic grips, and is contructed of streel. It is chambered in 45 Auto (ACP) and has a capacity of 7+1. Frame Material Steel Capacity 7+1 Brown Polymer Grips Frame Finish Black