The Sten is a British-made submachine gun that was used during World War II by the British Army, Commonwealth nations' armed forces and to some extent, civilians. It was a generally simple and cheap weapon, but also being low in accuracy and often accidentally discharging a round; however, it was still very reliable in the sense that it was simple to use and manufacture.
The Sten SMG (called the Stengun in the game files) is a weapon introduced in the Battlefield 1942: The Road to Rome expansion, issued to the British and Free French Medic kits. It has a 32 round magazine, a high rate of fire and generally low recoil and accuracy. It is essentially a close quarters weapon. It can kill in about 5-8 shots.A suppressed variation of the weapon is also featured in the Battlefield 1942: Secret Weapons of WWII expansion as the Sten (referred to as the StenMkII in the game files) and is issued to the British SAS Medic kit.