In addition, the "38 big cover" is 1275mm long, which can be said to be the longest rifle among the military rifles of the main participating countries during World War II, which is more than Mosin used by the Soviet Red Army. Nagant 1891/30 Formula 7. The 62mm rifle is also 43mm longer. From the appearance, the whole gun appears very slender and compact, clean and neat, so that it is more convenient to operate the gun, unlike some rifles, which have a lot of "fragmentation" in appearance. The barrel length of the "38 Big Cover" is 769mm, which is also the longest barrel among all kinds of main battle rifles during World War II. There are 4 right-handed rifling wires inside the barrel, and in order to pursue shooting accuracy, the rifling lead is determined to be 200mm, which is the smallest among all kinds of rifles at that time. And because the muzzle velocity of the warhead is 762m/s, although it was also the smallest among all types of rifles at that time, after the warhead hits the target, it still has enough penetration force and is not easy to roll.

It is said that the "38 big cover" is relatively accurate, which is naturally directly related to aiming. The crosshair shape of the "38 big cover" is "∧" shape, with the dovetail groove and the front sight constellation, it can be adjusted horizontally, and there is nothing special about it. The ruler of the "38 big cover" is different from the plate-shaped arc ruler of the general rifle, it is a "frame" ruler that can be erected, and there are 3 notch doors on it (of which there are 2 notch doors on the frame plate of the gauge ruler and 1 notch on the vernier to shine on the door), and there are 3 ways to use it accordingly. When carrying a rifle or the target is within 300m, the gauge frame is used in the state of pulling forward, and the firing distance corresponding to the notch on the gauge frame plate is 300m; When the target is above 400m, the gauge frame is erected backward and the vernier is moved up, and another notch on the gauge frame plate is used to illuminate the door, and the shooting distance corresponding to this notch illuminating the door is 400m; When the target is more than 500m, then make the gauge frame still stand up, move the vernier down to positioning, use the third notch on the vernier to illuminate the door, and the corresponding firing distance of this notch illuminating the gate at this time is 500m; When the firing distance is greater than 500m, the vernier is moved up one by one, so that the gap on the vernier corresponds to the distance from the target. The gauge range of the "38 big cover" is 2400m.

In the later production of the "38 big covers", some use three holes to illuminate the door, the purpose of which is to try to use the eyelet to offset the aiming error, so as to simplify the aiming training process of the recruits. However, practice has proved that the hole on the "38 big cover" is too far away from the user's eyes, and it is not convenient to aim, especially at night. In the form of the position of the relationship between the crosshair and the ruler such as the "38 big cover", the hole is obviously not as convenient as the notched door. The move of "38 big covers" to change the hole is self-defeating. Combat practice has proved that the maximum distance of rifle combat use density is usually within 200m, and the distance that really reaches the peak of use density is about 100m. At this time, you can also use a little-known advantage of the vertical frame ruler, that is, when the firing distance is about 50m to 100m, you can erect the ruler frame, and put the target and the front sight in the vertical frame at the same time, for general aim rapid shooting, if the shooter has received a certain amount of training, the gun is not a problem. ”

Xu Hongying paused and said: "This means that the effective shooting distance of the 38 big cover is about 450 meters!" The distance of this wine gourd should be around 400 meters! Totally within reach! Give it a try! ”

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