The Thompson uses a type of blow back action. The bolt is pushed back by the gases propelling the bullet forward through the barrel. The bolt stays closed until the bullet leaves the barrel due to a...
Hi, I know a 1921 Thompson could cost near u$s17,000.- to 35,000.- due recent auctions and sales.
Only 15,000 were built, most for export and only a few still survive. Famous Tommys are out of...