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Text Chapter 73 Sniper Rifle (1)

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    Thanks to brothers doraemon, mike, Chinese Army Soul, yepeng, and flowers appreciating jade brothers for the reward again, thank you brothers!  !  !  !  !  Please collect, recommend, and reward!  !  !  !  !  !  Baozi begged to be smashed, \(^o^)/~!  !  !  ——  ———————————————————————————————— Seeing Chen Er finally finishing the coloring on the last bullet, Li Jun carefully picked up a few more and looked at them.  Asked: "Second brother, this is too little. What can these dozen bullets do? They are gone before they can be fired. I think they are of no use except for being fresh." Chen Er glanced at him  Said: "This was not originally prepared for regular combat. Now that I have told you, you don't understand. Once I have developed a special gun, I will be able to exert the true power of these bullets." Chen Er's words suddenly made Li Jun say  There are also special guns in the clouds and fog. Don't guns all look like that? Li Jun really doesn't know what Chen Er is going to do now.  Chen Er can't care about that much. He has been thinking about the sniper rifle in his mind. The sniper rifle is also a very important part of individual weapons, because the sniper rifle has a long range and high accuracy, especially in some specific environments.  In battle, it can definitely play an unexpected role.  Therefore, an excellent sniper is definitely the enemy's nightmare on the battlefield and is also an indispensable presence on the battlefield.  I quickly searched for information on various sniper rifles in my mind. Don’t even think about the ones that are too advanced. Even if the current technology is made, it may be difficult to meet the design standards.  After pondering for a long time, Chen Er set his target on the Type 85 sniper rifle. The Type 85 sniper rifle was copied from the former Soviet Union's Dragnov SVD sniper rifle. It is basically the same as the SVD in terms of principle, structure and tactical performance.  Gas-guided automatic mode, bolt rotary locking, 10-round magazine supply, and 4x optical sight, these can basically meet current requirements.  The Type 85 sniper rifle has a caliber of 7.62mm, a bullet muzzle velocity of 830m/s, and is equipped with 7.62x54mm ammunition. It has an effective range of 1000m and a rate of fire of 30 rounds/min.  The whole gun weighs 4.4kg, the whole gun is 1220mm long, 170mm wide and 178mm high.  It adopts an optical sight, the weight of the sight is 0.5kg, the magnification is 4 times, and the viewing angle is 6 degrees.  These data popped out of Chen Er's mind like a movie.  Although in a fundamental sense, the Type 85 sniper rifle cannot be regarded as the best sniper rifle, but in this era and with the limitations of technology, the Type 85 is already a very good choice. At least the current technology can complete the entire  Made of guns.  Having made up his mind, Chen Er began to draw the drawings. Although he could make the gun without the drawings, in order to mass produce it in the future, the drawings were still necessary.  Compared with ordinary guns, the requirements for sniper rifles are also higher, and the design is more complicated than ordinary guns. Naturally, it takes longer to draw on the drawings.  One morning passed, and Chen Er had only completed a small part.  I hurriedly went to the cafeteria to eat some food, and then went back to continue drawing. It was not until eight o'clock in the evening that all the drawings were completed.  He rubbed his eyes and stretched out, and was stunned when he looked at the time. It was already eight o'clock, and he hadn't eaten his dinner yet. It seemed that he was going to be hungry again tonight.  When Chen Er was hesitating, Murong Wan suddenly came over with a lunch box and said, "I forgot to eat again. Let's eat quickly. I saw you were drawing seriously, so I didn't come to disturb you."  " Chen Er quickly took the lunch box from Murong Wan's hand. Feeling that the lunch box was still hot, Chen Er said awkwardly, "Thank you, otherwise I would have to go to bed hungry again tonight."  Seeing Chen Er eating happily, Murong Wan felt very happy. Her eyes unconsciously glanced at the drawings on the table. She casually picked up one and looked at it for a long time without understanding it. She could only ask  : "Chen Er, what is this? Why does it look weird? It looks like a telescope, but the telescope doesn't look like this." Chen Er looked up and saw that Murong Wan had actually gotten the drawing of the scope. He  For a moment, I didn't know how to explain it in detail, so I had to take a sip of water and said, "This is actually a telescope, but it's just mounted on a gun, so you can see farther targets." As he said this, he didn't know how to explain it in detail.  Chen Er still started making gestures, and after some explanation, Murong Wan probably understood a little bit, and finally stopped asking.  Chen Er also knew that it would be difficult to explain it clearly to her, because the sniper rifle involved many issues, and it would not be clear for a while. Once he made the entire gun, he would definitely understand it after demonstrating it to them.  .  After eating, Chen Er finally felt much more comfortable. This really fulfilled the saying, people are iron, food is?, I feel so hungry if I don’t eat even one meal.  After chatting with Murong Wan for a while, Chen Er went back to the house to rest at almost nine o'clock. He had to get up early tomorrow. This sniper rifle was different from others, and he didn't trust others to help him.  , I estimate that it will take about a week at least to complete the production of the entire gun parts.  After a night of silence, Chen Er started busy at six o'clock the next morning. The first thing to complete was the barrel part.  It is not an exaggeration to say that the barrel can be called the soul of a sniper rifle. After all, sniper rifles require accuracy, so the manufacturing and processing of sniper-specific barrels requires higher precision than ordinary barrels, as well as quality and  The weight is also higher than the requirements of traditional gun barrels to reduce the impact point of the first round of ammunition from changing too much. In particular, the high temperature and expansion of the barrel due to continuous firing will cause the bullet to flake.  The angle fraction of the impact point dispersion gradually increases.  It is worth mentioning that the bore of the sniper barrel does not have an electroplating chromium anti-rust process like the bore of an assault rifle or a main force rifle. This is also a consideration to reduce the impact on the precision of bullets.  When the barrel is assembled, it is actually only connected to the receiver, that is, the barrel "floats" on the gun. The advantage of this is that the barrel can remain free from the gun handguard, tripod, gun sling, and even the sniper's  Interference caused by "hands".  The outer end of some sniper rifle barrels is equipped with a fireproof cap or rolling cage just like ordinary barrels. In principle, it is used as a fireproof cap to suppress the muzzle flash when firing. In fact, it is used to counterweight and protect the barrel from damage.  The accuracy of shooting will not be affected on impact.  Some sniper rifle barrels even have ribs added to maintain tension to prevent the barrel from being affected by high temperatures.  Because the barrel of a sniper rifle is much longer than that of an ordinary rifle, Chen Er paid special attention to the processing of the barrel. After he processed a barrel continuously on the lathe for more than two hours, Chen Er  Er wiped the sweat from his head and smiled with satisfaction.  They say everything is difficult at the beginning, and the barrel part is finally completed.  Compared with the gun barrel, the easiest thing to make is the wooden gun stock, because wood is easier to process. In less than half an hour, Chen Er completed all the wooden parts of the gun stock.  The next step is to make other parts of the firearm. For a week, Chen Er has been immersed in this state of getting up early and going to bed late. Even Li Jun is a little worried about Chen Er's abnormal behavior.  She looked at Wen Jing sitting next to her and said: "Wen Jing, do you think my second brother has been stimulated by something? This has been like this for a week, and sometimes he will burst into laughter. Do you want to apply?"  Find him a doctor. I'm really afraid that he will have a mental breakdown sooner or later if he keeps going like this." Wen Jing thought for a while and said, "I think it's not as serious as you said, although Chen Er's behavior during this period has been very serious.  It's a bit abnormal, but I eat on time every day. And I heard from Wan'er that Chen Er is developing some kind of gun. Anyway, he is definitely fine mentally, so don't make a fuss about it.  If Chen Er works half hard, I think you can do something." Li Jun heard Wen Jing bring the topic to him, and he quickly laughed and said, "It's okay, I'm just worried about my second brother.  It's just that his body can't bear it. Since he is researching weapons, there is nothing to worry about. I know the second brother very well. Once he does this, he will never stop until he succeeds. But I don't think he will give up.  According to the progress of the second brother, it is estimated that the gun is almost completed. "After this week of work, although Chen Er is still in good spirits, he also has big dark circles in his eyes, and the clothes all over his body are dirty every day.  He was very dirty, and he had not bothered to shave his beard for three or four days. If he put it outside, he would look like a beggar.  However, Chen Er didn't seem to notice these things. It was about to be completed today. It was fake that he was not excited.  As the parts in his hand slowly took shape, the main part of the firearm was finally completed. Chen Er finally breathed a sigh of relief. The only thing missing now was the scope. Because he had no lens here, he only completed the entire scope.  Production, the problem of lenses can only be found another way.  Looking at the parts in front of him, Chen Er couldn't help but feel filled with a sense of accomplishment. The fatigue from the busy week was gone. After placing all the parts, Chen Er finally noticed in the mirror  When he saw his own image, he was shocked by the sight.  Wrinkled clothes, messy hair, stubble on his face, and even black hands, as if he had just crawled out of the mine. Chen Er couldn't care about anything else now, so he called quickly.  After getting some water, I washed myself up and changed my clothes before appearing outside again.  When Li Jun saw that Chen Er had returned to his former self, he came over and said happily: "Second brother, look at youIt seems like it was successful. This period of time frightened us. At first we thought you had a mental problem, and we almost applied to find a doctor for you.  " Listening to Li Jun's caring words, Chen Er couldn't help but feel warm in his heart. These are brothers. But thinking back to his appearance just now, it's no wonder that they are so worried about him.
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