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Here is where you will learn about the Sten gun.

This is the homemade Sten gun

Caliber: 9x19mm Luger/Para
Weight: 3.18 rg empty
Lenght: 762 mm
Barrel lenght: 196 mm
Rate of fire: 450 rounds per minute
Magazine capacity: 32 rounds
Effective range: 70 meters

The first STEN, Sten mk.I, was developed in mid-1941. It was blowback operated, automatic weapon that fired from the open bolt. The tubular receiver and the barrel shroud were made from rolled steel. The gun was fed from left side mounted box magazines. The stock was of sceleton type, made from steel. Sights were fixed, ajusted for 100 yards distance, peep hole rear and blade front. The Mk.I featured spoon-like muzzle jump compensator. Some guns featured small folding forward grip. The Sten mk.II was a mainstream gun, slightly smaller and lighter than Mk.I. It featured sceleton or wooden stocks. The magazine and the feeding module were the main drawbacks of the Mk.I and Mk.II, since those were prone to failures to feed. The magazines also often were loaded with only 30 rounds instead of full capacity of 32, to reduce starin on feed springs. The magazine housing was flexible to cover feed window when not in use. Some Mk.II's were manufactured with integral silencers for undercover operations and were marked as Mk.II(S). The Sten mk.III was modification of mk.I. The major change was that the reciver and the barrel shroud was made from single sheet-steel tube that extended almost to the muzzle. Another changes were fixed magazine housing for improved reliability and small finger guard in the front of the ejection port. Internally, Mk.III was similar to Mk.I and has same variety of sceleton stocks. Mk.III first appeared in 1943. The Sten mk.IV was only experimental and did not entered the production. The Mk.V was an attempt to made Mk.II a more "good lookin'" gun. Being internally the same as Mk.II, the Mk.V featured wooden tock and rear handle, new front sight that allowed bayounet mount. Early mk.V's also featured wooden front grip, but it was prone to breackage and was removed soon. Mk.V's appeared in 1944 and remained in service until the eraly 1960s' being replaced by then-new Sterling SMGs.

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