2. Thompson M1921:

The Thompson M1921, also commonly referred to as the “Tommy Gun” was designed in 1919.

It was named for the creator of the general John Taliaferro Thompson.

This gun was designed with the intention that it’s not actually a gun, but rather a fully machine gun.

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It is widely employed by police officials officers, security personnel and other agencies also by soldiers.

It is utilized by them due to the features that it has such as its low capacity and weight. 

The gun weighs 4.69 kg, and it can fire as many as 1000 rounds one minute. 

Additionally, it has a range of up to 150 meters using a caliber of 45ACP.