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MP40 Sub Machine Gun
MP40 Submachine Gun
Manufactured: 1938
Industry: Rheinmetall
Barrel Length: 18 in (460 mm)
Region of Origin: Nazi Germany
Users:
Barrel: 251 mm (9.9 in)
Range: 70 m -100 m
Rate of Fire: 500 rounds/min
Action: Recoil-operated, roller locked
Years Active: 1939's-2016

The MP38 and MP40 (MP designates Maschinenpistole, literally "Machine Pistol"), often called Schmeisser were submachine guns developed in Nazi Germany and used extensively by paratroopers, tank crews, platoon and squad leaders, and other troops during World War II.

Design Edit

Both MP 38 and MP 40 submachine guns are open-bolt, blowback-operated automatic arms. Fully automatic fire was the only setting, but the relatively low rate of fire allowed for single shots with controlled trigger pulls. The bolt features a telescoping return spring guide which serves as a pneumatic recoil buffer. The cocking handle was permanently attached to the bolt on early MP 38s, but on late production MP 38s and MP 40s, the bolt handle was made as a separate part. It also served as a safety by pushing the head of handle into one of two separate notches above the main opening; this action locked the bolt either in the cocked (rear) or uncocked (forward) position. The absence of this feature on early MP 38s resulted in field expedients such as leather harnesses with a small loop, used to hold the bolt in forward position.

The MP 38 receiver was made of machined steel, but this was a time-consuming and expensive process. To save time and materials, and thus increase production, construction of the MP 40 receiver was simplified by using stamped steel and electro-spot welding as much as possible. The MP 38 also features longitudinal grooving on the receiver and bolt, as well as a circular opening on the magazine housing. These features were eliminated on the M38/40 and MP 40.

One unique feature found on on most MP 38 and MP 40 submachine guns was an aluminum, steel, or bakelite resting bar or support under the barrel. This was used to steady the weapon when firing over the side of open-top armored personnel carriers such as the Sdkfz 251 half-track. A handguard, made of a synthetic material derived from bakelite, was located between the magazine housing and the pistol grip. The barrel lacked any form of insulation, which often resulted in burns on the supporting hand if it was incorrectly positioned. The MP 38 and MP 40 also had a forward-folding metal stock, the first for a submachine gun,[7] resulting in a shorter overall weapon when folded; however, this stock design was at times insufficiently durable for hard combat use.

Although the MP 40 was generally reliable, a major weakness was its 32-round magazine. Unlike the double-column, dual-feed magazine insert found on the Thompson M1921-28 variants, the MP 38 and MP 40 used a double-column, single-feed insert. The single-feed insert resulted in increased friction against the remaining cartridges moving upwards towards the feed lips, occasionally resulting in feed failures; this problem was exacerbated by the presence of dirt or other debris.[8] Another problem was that the magazine was also sometimes misused as a handhold. This could cause the weapon to malfunction when hand pressure on the magazine body caused the magazine lips to move out of the line of feed, since the magazine well did not keep the magazine firmly locked. German soldiers were trained to grasp either the handhold on the underside of the weapon or the magazine housing with the supporting hand to avoid feed malfunctions.

Alternate History Edit

Trivia Edit

  • MP40 was the first known Nazi Armament to enter American Soil, along side the Wather 48, and MG.36, before the Fall of Kar on November 9th 2011, along side the Blitz...

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