Thompson

 The  Thompson  is a submachine gun (SMG) invented by  John T. Thompson  and can be found in Dead Winter.

Overview
The Thompson is an uncommon weapon and unlike most SMG's they use Rifle Ammo. It holds 30 bullets per clip and quite the sprayer in Close-Quarters-Combat (CQC). This gun is powerful but holds a cost; It's really low in accuracy and rate of fire (RoF) The most powerful gun for bandits and other nasties.