Chapter 151 Professional Training
Seeing the division commander sitting down, the snipers next to him were restrained, and Andrei smiled with everyone and said: "Don't be restrained, you are all the precious wealth of our Siberian Volunteer Division, the war has been going on so far, the Germans you have eliminated have almost a regiment, the Germans are now frightened by you, and now they dare not go to the kitchen to eat, and they are so frightened when they go to the toilet that they are so scared that they can't."
"Hahahaha!" Listening to the words of the division commander, everyone laughed, and a soldier next to him said: "Comrade division commander, then these Germans should simply not eat and drink water!" ”
After telling the joke and enlivening the atmosphere, Andrei said: "Do you know how to make the gun more accurate? ”
The fighters next to them began to reply: "wind speed", "distance", 、?????????
Then Andrei said: "Everyone understands, so let me tell you some tips for the update!" As soon as the division commander said this, everyone took out a pen and began to record, usually Alyosha did not mention it less, how Andrei taught him, how rare it is to get the guidance of the division commander, so the snipers all cherish this opportunity!
Andrei was the first to say: "First of all, I'll talk about guns
Sniper rifles can be divided into cold and hot barrels: this refers to the fact that a change in the temperature of the rifle barrel causes a change in the drop point of the warhead. Pen & Fun & Pavilion www.biquge.info because a hot or even warm barrel will occur at least slight bending.
The easiest way to establish accuracy is to zero in on the effectiveness of a cold barrel shot. This method is called "cold barrel zeroing". As a common rule, you shoot slowly enough to make sure the barrel doesn't heat up, shoot at a rate of no more than one every two minutes in a cycle of up to 3 rounds, then pause for 5 minutes and start over for a cycle.
When engaging an enemy, an experienced sniper will not recklessly fire a continuous shot that will cause the barrel to heat up, because he understands that such continuous shooting will not make him more accurate. He will try to follow the procedure that the first shot should be perfect, and then, there will be an interval to observe the effect of the shot, shift positions and prepare for the next shot. Then he fired another shot with a cold barrel. An intimidating sniper will strive to have all his shots cold-barreled.
In contrast, regular infantrymen fired bullets during practice, so that they unknowingly zeroed the assault rifle with a hot barrel and regarded the cold barrel as a non-standard, negligible adjunct. This is not bad if you fire hundreds of rounds in every battle. Sniper: All action centers on whether this bullet can hit the target. At a distance, it is best to make this shot look like a stray bullet that flies by chance, which is the so-called "one-shot kill".
For a new, precise, professional barrel with a thick barrel wall, the maximum difference between cold barrel shooting and hot barrel shooting is about 0.75 points (about 7~8mm at 100 meters), which is enough to attract attention at a distance of 300 meters, but not enough to cause a loss of fire on a human target. However, for a barrel that has been used for a long time, has a thin wall and is not too precise, this difference cannot be estimated. Therefore, any differences between hot/cold barrel shots should be recorded, as they will affect the same rifle to varying degrees. You will shoot quickly at the great crowd of opponents. In this case, you can use the cold/hot barrel zeroing pattern that you already know to confidently predict where your bullet will hit. A sniper must fully understand and master his sniper rifle.
When you get a satisfactory cold barrel zeroing result, the distance and wind deflection knobs may not be in the correct calibration position and need to be adjusted. This can be found in the guide to using your scope. How many rounds should each group fire at zero? The traditional three-shot set is very suitable. A truly experienced and talented sniper is able to adjust the elevation angle depending on the landing point of a single shot. I've trained snipers who have zeroed in with just a set of 10 shots, and the results have been fantastic. There is no such thing as a "right" answer here, only one point, and that is that the rate of fire must be slowed down to avoid a significant increase in the temperature of the barrel. Your work isn't over when you've reached and documented an acceptable zeroing effect. Now you have to check your scope. See if it changes the zero point when you change the magnification or distance, the wind deflects the elements.
Because you zero a zoonification scope when it's at its highest magnification. Now you should test it at a lower magnification. For a 3~9x scope, you should shoot at 6x and 3x and carefully compare the impact point with 9x. If there's a change, make a note of it. If this difference is greater than 2 close positions or more, the scope should be replaced. In the next step, the method of changing the knob scale is used to detect ballistic compensation shots at 100-meter intervals. In general, there will be at least a slight difference between the actual and expected results at the calibrated distance. For example, when you turn the distance knob to "2" and shoot at a target at 200 meters, you may find that you don't hit the bull's-eye but go slightly higher. This phase is the most time-consuming part of the zeroing process. But mastering this precise technique will give you a lot more confidence in shooting from long distances. So be sure to record these small changes.
The final test is called the "repeatability test" and is to see if the elevation angle and wind deflection can be changed and then returned to the original setting. The easiest way to detect this is to shoot three more rounds after firing three rounds at 100 meters, turning around the intended ratchet to shoot the other three rounds. Then, turn the same ratchet in the direction of turning back to see if the landing point of the 3 bullets fired matches the first set. Be careful not to shoot too fast, as this will cause your barrel to be unusually heated. An offset of 2 close positions is enough to cause concern, and what is being tested is the consistency of the internal structure of the scope. Such an offset means that at greater distances, you will face very serious problems. Although there is a "co-arrival" method to reduce the effect of this offset (i.e., to reach a certain set point in the same direction each time you turn the knob, e.g. clockwise), this only works for one shot. Before you shoot each shot, you have to turn the knob back and then turn the knob in the same direction. Because the aforementioned offset means that there is some kind of loosening or gap inside the scope, and the huge vibration when firing inevitably leads to uncertainty about the position of the ratchet. Obviously, this method of "arriving in the same direction" is an "exhaustive" method of coping with the inconsistency of the internal structure of the scope, but this method does not cope with those situations that require continuous firing. A heavily used scope, especially if it is made of relatively soft brass for the transmission gears, will eventually be overwhelmed and unable to make consistent settings. It is largely unrecognized that the final wear and tear of a scope is usually due to excessive internal gear clearance, not due to a scratched lens or a broken lens body.
You should test repeatedly and experience repetitive questions. Don't assume that the looseness of the internal structure of the scope is okay just because there is a "co-directional" method. If there is a problem with an offset that is too large as the one described above, you will need to replace the scope. ”
At this time, a sniper next to him asked: "Division commander, most of our sniper rifles are modified, and the sniper rifles from the arsenal and captured Germans are probably so good." Before Andrei could speak, a sniper next to him immediately said: "Sasha can't say that, you know, what the division commander just said is the basic skills that a sniper should master, and if we don't have a good gun in our hands now, our superiors will issue it or the Germans will give it to us in the future, so we should make good use of the gun in our hands." ”
"Well, this comrade is quite right, a warrior must trust his weapons, Engels said, "guns themselves do not move, you need to have a brave heart and a strong hand to use them." "When a weapon is not used by anyone, it only has potential combat effectiveness, and in order to turn this potential combat effectiveness into actual combat effectiveness, it must be used by people. However, the effectiveness of weapons is not the same in the hands of different people. Therefore, Engels proposed that those who use weapons should have "a brave heart and a strong hand". That is to say, if the weapon is in the hands of a cowardly and incompetent person, the battle will be lost even if the weapon is fine; On the contrary, weapons are in the hands of brave and skilled people, and even if the weapons are outdated, they may win the battle, so everyone should trust the guns in their hands. ”
As soon as the words fell, everyone applauded,
Then Andrei said: "Let's talk about training, first of all, shooting training, the trajectory of the gun will be due to rifling, gravity and the influence of the wind to produce errors in the bullet is known to everyone, so the rifle's gauge and gate are adjustable to correct these errors; However, the magnification of the sniper scope will also produce shooting errors, and the adjustable magnification sniper scope will make this problem worse, and the temperature difference and optical deflection phenomenon will also cause related troubles, so the sniper must be in a variety of different weather, temperature, day and night environments, shooting training at different distances, and recorded in detail in their own firearm shooting record book, to help understand the performance and error of the firearm, and then correct, until the acceptable range, then the first stage of shooting can come to an end, but the gun still has to be tested from time to time, and continue to record and correct. In order to shoot accurately and related adjustments (such as sniper scope magnification, focal length, etc.), special attention needs to be paid to whether the relative position of terrain features will affect the impact error of the shot within the effective range of the entire target area, such as large objects: rocks, trees, hills, buildings, etc. The wind direction in the vicinity of the object will change due to obstruction, which is different from the wind direction in the open field, so special attention should be paid to the wind direction correction around the large object. The influence of fog generated by water sources such as rivers and ponds on aiming, and the projection deviation around lights and burning fires can also cause estimation errors when shooting.
Therefore, in order to be accurate, the position of the object, the relative distance, the distance from the sniper, the azimuth angle, the light source, the wind direction, the wind deviation and other related elements need to be measured in advance. ”
As soon as Andrei said this, everyone began to nervously take notes and understand, and Andrei temporarily stopped talking so that everyone could ask questions, but at this time, a correspondent ran in. (To be continued.) )