#BOLT MP 40 FULL#It takes a full let off to reset on semi-auto. Trigger pull on the test gun averaged a modest 7 pounds, 5.2 ounces with 0.25 inches of travel, light stacking toward the end and a clean break. The large rear leaf sights and hooded front sight are easy to pick up and get on target at 25 feet, which with the 9-inch barrel will keep rounds pretty tightly grouped on target. It has a large lip making it easy to push or pull into the desired position. Since the airgun does not use that design, the safety under the foregrip is an important feature. Soldiers were trained to lock the bolt back into the rear notch as a safety. Like the 9x19mm models it is easy to fire this gun once loaded. It is important to have the MP40 set to SAFE when loading. Once the magazine is loaded into the receiver the bolt has to be cycled to cock the firing system. An empty magazine leaves you with a click when the trigger is pulled and no air is released. It is important to note that the paired CO2 cartridges in the magazine will not fire the gun unless there are also BBs loaded. The magazine has to be firmly inserted until you hear a click confirming it has locked into place. The flared well makes it easier and also serves as a partial forward grip. With about 20 rounds in the magazine the author demonstrates loading the magazine into the MP40’s receiver. After about 30 to 40 rounds, velocity begins to drop off because of the CO2’s use to additionally cycle the MP40’s heavy bolt action. That’s about all the paired CO2 cartridges can shoot at a decent velocity. I loaded 10 to 15 rounds for each portion of the test, but the magazine will hold a maximum of 52 steel BBs. An Umarex speed loader makes the job a lot easier. Easier to load than many magazines (so long as you have strong fingernails) the follower is held down (it does not lock), the magazine angled downward and BBs poured into the large beveled loading port. If you pull the trigger on an empty magazine, all you get is a click, the action will not operate. While I did not find it mentioned in the instruction book, it is important to remember that the magazine must be loaded in order for the gun to function. The bolt’s reciprocating action imparts a slight sense of recoil, but has zero effect on shooting accuracy. The bolt on the left side needs to be pulled back to charge the gun for the first shot, after which the blowback action keeps the MP40 cycling until the magazine is empty. #BOLT MP 40 FREE#The large checkered magazine release button on the left side of the receiver is pushed in firmly to release the drop free CO2 BB magazine for a reload (extra magazines will be available shortly). The shoulder rest (already rotated to its vertical position) is folded horizontally when the stock is not used. Rotate it down and back into the locked position. To open the stock, which tucks up underneath the foregrip, depress the release button with your thumb… …the stock will begin to drop. This has little bearing on the MP40 CO2 model, but still, if you want to shoot the gun properly, Nicht die Magazine fassen! The folding stock developed for the MP38 was used on the MP40 design two years later. If the magazine itself was used as a forward grip, it could cause the magazine to move out of position and jam the gun, especially since it was always firing on full auto. Hugo Schmeisser’s design for the MP18.1 receiver (which was the basis for the MP38 and MP40 receivers) left room for a firm grasp above the magazine. It could cause the 9x19mm subgun to create a feeding jam, but not the airgun.ĭrilled into the training of soldiers armed with the MP40 the words roughly translate to “Do not grasp the magazine!” This was an important rule for handling the MP40. If you can’t resist the temptation to use the magazine as a forward grip (a lot of soldiers did) this is a good hold. Load the magazine into the receiver with a firm push set the safety to SAFE, pull the bolt to the rear and the gun is charged and ready to fire. This is a large, beveled port so feeding BBs is pretty easy, easier still with an Umarex speed loader. First off, loading the magazine is accomplished by holding the follower down, inverting the magazine (cast alloy top pointing down) and loading the BBs into the port. To wrap up the MP40 we need to review all of its operating features, which are very close to those of the original guns. The Umarex MP40 is a nearly identical copy of the WWII subgun. By Dennis Adler The MP40 set the stage for decades of full-auto (and select fire) submachine guns built from the 1940s through the late 20th century, including the MP5 and Uzi.
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