Thompson Autorifle
The Thompson Autorifle, (also referred to as the Thompson Model 1923 Autoloading Rifle; and the .30-06 Model 1923 Semi-Automatic Rifle, among others, etc.) was a semi-automatic rifle that used a Blish lock to delay the action of the weapon. It was chambered in .30-06, with the 1923 model in 7.62×54mmR Russian rifle rounds.