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More headache than light machine guns is the bullet, because the seven-millimeter metal fixed ammunition is the standard ammunition set by the new 1629 gun family, using a seven-millimeter caliber, the caliber of the old world bullet is based on the imperial unit, in fact, this standard is quite painful, For example, 0.303 inches and 0.45 inches are better, and 0.308 inches and 0.38 inches are converted, from 5.56 mm to 7.62 mm, 7.69 mm, 7.82 mm, 7.92 mm, etc., etc., so that several rice veterans who purchased ammunition for the Senate at that time were almost worried, and finally got these ammunition and guns together, fortunately, Lin Shenhe was present, so he did not follow the advice of the rice grain tip profiteer to replace the barrel of the weapon to save costs.

In the New World, the Senators did not want to be tortured by the imperial unit again in this New World, so they united in discarding the imperial unit and using the metric unit when determining the specifications of ammunition. From the 12 mm caliber ammunition used in the Senate rifle and the 1628 rifle at the beginning, to the 7 mm round-tipped cartridge used in the hexagonal rifle, to the seven-mm pointed cartridge now ready for light machine guns, all of them are rounded, and they resolutely do not follow the example of the old world and bow to the British unit. The only type of ammunition that has survived in the old world is the nine-millimeter Parabem round, and the only reason for choosing this ammunition is that the caliber is an integer......

There are a series of different types of weapons in the seven-millimeter caliber gun family program of the Military Industry Commission, the first of course is the 1629 light machine gun, and there is a standard rifle and a semi-automatic rifle in the program indicators, but these two rifles have not really been selected because the military committee does not plan to completely withdraw the 1628 rifle, but the design plan has begun to be solicited among the veterans, and some design drawings have been sent. However, there is nothing new in these designs, they are basically reproductions from the world's famous guns in the old world, nothing more than 98K rifles, Mosin Nagant rifles or Lee Enfield rifles, M1903 rifles and the like, semi-automatic rifles are a little more, but most of them are copied from Garand rifles, G43 rifles and ZH29 rifles, of course, there are also refreshing M1941 rifle designs, which have even been improved for seven-millimeter caliber bullets, shortening the length of the air duct and the size of the magazineThis drawing was obviously made with a computer, and it was very careful.

After the production according to the drawings, the military industry committee assembled and tested these rifles, of course, which suffered a lot of failures and setbacks, the use of metal fixed ammunition rifle for the body parts of the requirements are much higher than the previous paper shell rifle, so the failure rate is also much higher, after several months of testing and development, the military industry committee finally came up with a sample of these rifles, each prepared three. However, this time Lin Shenhe learned to be obedient, he did not go to the Shazhou shooting range to organize a new product launch conference and boast to a group of big leaders of the military committee about the advanced degree of weapons, he handed over more than a dozen rifles of various types to the Foreign Legion for shooting tests and training, and learned experience from the feedback of the soldiers to select the rifle.

There is a reason why Lin Shenhe chose the Foreign Legion, first of all, the soldiers in the Foreign Legion are basically not naturalized citizens, and the station is concentrated in Fort Shabak, which is convenient for management and secrecy from the soldier level; In addition, among the officers of the Foreign Legion, from the highest Maruyama and Lin Zhai San to Nguyen Van Ngoc and Niu Jinxing, they are all natives who do not have much intersection with most of the senators of the Senate, and although they have seats in the Senate, they do not have much right to speak, so they can also keep the Joint Senate confidential; As an army composed of "foreigners", the Foreign Legion is not of a high level of weaponry, and at the beginning of its formation, it was even only equipped with Senate rifles, which was only rifled more than the foreign trade version of the Senate rifles sold to the natives, and the officers and soldiers of the Foreign Legion had been jealous of the 1628 and 1629 rifles for a long time, and due to the slow production of military factories, there was still a whole company still using the old Senate rifles in 1630. Now these rifles that suddenly appeared were a treasure to the officers and men of the Foreign Legion, which were experimental weapons that even the army and navy were not qualified to equip, and in terms of weapon firing speed, fire persistence and shooting accuracy, these new rifles far surpassed those old rifles, and they were very happy to be able to get these weapons even just for testing.

Of course, all this is exactly like Lin Shenhe's premeditation, whether it is the military committee's navy, land, air force and marines, they are completely kept in the dark, and even the bullets produced by the production line of seven-millimeter metal fixed ammunition at this moment have been sent to Shabak in the name of "special armament" for pressure shooting tests, and even the barrels of these weapons have been prepared with the amount of three barrels per rifle to ensure that the maximum shooting life of the barrels produced by different production processes can be tested.

In addition to these seven-millimeter caliber rifles, the Military Industry Committee also designed two submachine guns, the first is imitated from the Stern submachine gun, this submachine gun because it is manufactured to save labor and materials, the cost is very low, and the cost is reduced as much as possible under the premise of meeting the most basic performance requirements, according to the two problems of its predecessors who were criticized in the war, the double-row single-supply magazine design copied from the German MP38 is particularly easy to jam, so in the design of the Military Industry Committee, this magazine is directly replaced with a single-row single-supply magazine to reduce the probability of jamming, But the consequence is that the length of the magazine remains the same under the condition that the load is reduced by one-third, the previous thirty rounds of the magazine can now only be loaded with twenty rounds, if the magazine is lengthened, it is likely to affect the life of the spring, although there are also veterans of the military industry committee suggested that the German army's pistol drum method be used to load more ammunition, but after the test, the military industry committee still gave up this idea, first of all, the drum loading is really simple, unscrew the cover on the spring and stuff the bullet inside, but the production of the pistol drum is very complicated, A Stern submachine gun is nothing more than forty-seven parts, and the pistol drum needs almost twenty parts, if it is used, with the cultural quality of the current soldiers in the Senate, I am afraid that they will not be able to remember the maintenance steps and cause the weapon to be damaged; Secondly, although the pistol drum can be loaded with a lot of bullets, but it will also bring the trouble of heavy weapons, soldiers holding submachine guns in order to reduce the weight of the charge, if you have to hold a heavy drum, it is estimated that it will affect the space of the weapon. The second disadvantage of the Stern submachine gun is that the safety mechanism is unreliable, and many times it will even go off at the slightest touch, and in World War II, many Allied soldiers were killed or injured by their own weapons before they could see the enemy. In response to this situation, the Military Industry Commission adopted a solution that can be called a brain hole, directly canceled the original design of the insurance mechanism, set up a clip at the front end of the firing pin, and directly pushed the clip to jam the firing pin stroke when the gun is not needed, so that even if the firing pin moves forward because of vibration, it cannot catch the butt of the bullet and cannot cause misfire.

The second submachine gun is based on the design of the American M3 submachine gun, both of which use a nine-millimeter bullet, which is completely common to the pistol cartridge of the Senate system. The production of both submachine guns was not too difficult, it could be assembled with a large number of stamped parts, and the M3 submachine gun, although the rate of fire was not high, but the fire control was better than that of Stern, so it was very popular with soldiers.

Although these weapons were distributed to the Foreign Legion, they have always been kept secret, so neither the Joint Chiefs of Staff nor the Military Committee knew of the existence of these epoch-making weapons. To tell the truth, Lin Shenhe had been looking forward to an opportunity for these weapons to be able to come to the battlefield and collect and use defect reports on the battlefield, but he never expected that the distant Great Wu Dynasty would actually fulfill his wish, and the Foreign Legion equipped with these weapons had been selected by the Senate to be sent to carry out a large-scale anti-bandit and counter-chaos operation, and it was in the cold winter season. This is simply in line with Lin Shenhe's requirements, and it is just right to test the performance of weapons in the harsh winter, and I can't ask for it. Therefore, after receiving the news that the Foreign Legion was about to set out for Shanxi to quell the turmoil, Lin Shenhe immediately asked the Military Industry Committee to open the production line of seven-millimeter metal fixed-loading ammunition and nine-millimeter pistol ammunition to the maximum, and ensure production in three shifts a day to ensure that the amount of 200,000 rounds of seven-millimeter rifle ammunition and 60,000 rounds of nine-millimeter pistol ammunition before departure, and at the same time, he also asked the military factory to work overtime and produce several pieces of each test weapon to ensure the equipment of a company.

Since the last failure of the promotion of the hexagonal rifle, Lin Shenhe's reflection on the development of weapons has continued, the idea of the Military Commission is not wrong, the development of hot weapons has evolved over hundreds of years, and it is not wrong for their military industry committee to carry out production trial production tests step by step step by step, but it cannot be promoted to the whole army immediately after every success, otherwise because of the ammunition caliber and firing method, the infantry will be forced to revise the drill code again and again, resulting in confusion and a lot of waste. Because the weapons equipped by the military committee of the Senate were all paid for by the military committee, and they were pulled out little by little from the already small army development budget, if the military work committee had to completely replace every weapon it developed, the only consequence could only be waste. Therefore, he set his sights on the weapons of the Second World War, and at first he felt that it was very difficult to produce World War II-level weapons at the current industrial level, but he did not expect that the use of stamping parts in large quantities could also solve the problem of weapons production - this thing was played by the Germans the most promisingly, and the sound of tearing linen cloth of MG42, which was almost all stamped parts, is still the voice of the devil in the nightmare of the veterans of World War II.

World War II is different from other wars, World War II weapons have basically reached the extreme of hot weapons, although the development of light weapons after the war seems to be a hundred schools of thought, but in fact they are all improvements on the basis of World War II light weapons, rather than reverse copying those post-war light weapons, it is better to directly imitate the light weapons of World War II. For the current Senate army, the weapons needed are to have an advantage in range and power, although it is not required that the effective range should be 1,200 meters, but the effective range of 800 meters must not be less, and the effective range of 400 meters of Stoner or Kalashnikov rifles is still reliable, or the power of World War II weapons is reliable, so the military industry has locked the development direction on World War II light weapons.

Now that Lin Shenhe is complacent, he will be able to put these newly developed weapons into this cold winter of the Northern War, and he will definitely be able to expose all kinds of shortcomings of the weapons, and after they are fully repaired, he will be able to formally apply to the Equipment Bureau of the Military Commission to order new light weapons. Different from hexagonal rifles, these new light weapons are famous meritorious weapons in history, and they can be used directly by copying them, and the weapon parameters are basically no different from their predecessors, and they are easy to get the favor of the patriarch, and the chance of passing is very high.

Compared with Lin Shenhe's enthusiasm, Zhang Yuan was much more depressed, through the joint discussion of multiple departments and the agreed plan, this expedition must use motorized transportation to ensure the transportation of personnel and materials, and at worst, to ensure that the transportation of materials is motorized. The reason is that there are too few troops that can be used to ensure the logistics line, and from Qingdao to Taiping in Shanxi, it is necessary to pass through at least seven prefectures and counties, and the straight-line distance is more than 800 kilometers. If animal transportation such as mules and horses is used, not only will the cold weather cause heavy casualties to the already insufficient livestock, but also the low speed will also attract bandits or officials and soldiers disguised as bandit rebels to attack and seize supplies, so only motorized transportation can ensure that the road will not be attacked.

The enemy is far from the enemy, and the sun is far from the cold, and the sun is manifested by loneliness

As discussed earlier, the snow has now fallen in northern China, so the road conditions do not allow the passage of vehicles such as freight Rolls-Royce, and the only vehicles that can be used are amphibious vehicles using the auger propulsion system. And because the purpose of these amphibious vehicles is mainly to load cargo, they need to be modified, not equipped with various heavy weapons like the Marine Corps version of the amphibious vehicle, but must leave space to load cargo and ensure the transportation capacity of the vehicle. Zhang Yuan and the veterans of the Heavy Industry Laboratory redesigned the car, and decided to lengthen the chassis length to ten meters, with a steam engine installed in an area of four meters at the front, which was driven by a boiler, and the heat sprayed could be wrapped around the cab through a copper conduit to maintain the temperature of the cab. The cab is fully enclosed, directly mounted on the rear of the steam engine, and the front and left and right sides are equipped with tempered glass and steel wire mesh, because there may be a battle, so a layer of steel wire mesh is specially added to prevent the driver from being thrown into the cockpit by cold weapons such as arrows and other injuries to the pilot.

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