The steel-core single-headed bullet is obviously one of the top secrets of the Beihai Kingdom, so the credibility requirements of the user are also very high. Marin remembers very well - after the French made the latest Lebel M1886, a French soldier defected to Germany with a new gun, offering 20,000 marks.

Therefore, in the selection of musketeers to use, Marin pursues "absolute peace of mind". And what kind of people reassure Marin the most, obviously the group of children in the school reassures Marin the most. Because, that group of children are "asking for instructions in the morning and reporting in the evening" on his portrait every day, and they are brainwashed all day long to be loyal to Marin. The children who have been raised in this way have no problem with their loyalty, and they don't have to worry about leaking secrets.

Before, there were many scumbags who were eliminated in that group of primary school graduates. Marin felt that their loyalty should be fine. Moreover, the scumbag is not as smart as the scholar, and there are not so many twists and turns in his head, but he is more reliable and easier to control than those smart people.

Therefore, Marin ordered that Kohler and Sauer go out together to select loyal guards from among the elementary school students who had been eliminated. Even if you are selected by the factory, you must accept the selection of the guards.

And Marin's selection requirements were simple and crude - to be excited to see his portrait, and to be so excited to see Marin that he wanted to cry...... This is the treatment of three and a half months in North Korea, and it is also a testament to fanatical believers......

With such fanatical followers, it is difficult to betray, and it is safe to hand over the one-headed bomb to them. In addition, such a scumbag is also easy to fool.

Marin decided to select 100 fanatical elementary school scum and form his own musket guard. Although these children are not old enough, their strength and physical strength may not be able to keep up. However, after two or three years of training, it can be used. When the time comes, a hundred snipers armed with weapons of mass destruction will definitely be a nightmare for enemy officers.

In order to improve the accuracy of shooting, Marin also asked Leonardo da Vinci to modify the musket to create a sight similar to that of the later sports air rifles. That is, there is a front sight in front of the barrel, and there is also a door with a round hole behind the barrel. When aiming, as long as the eyes see the target through the two holes of the front and rear crosshairs and the illuminating door, you can shoot at three points and one line.

Of course, this doesn't mean much to a smoothbore gun, because balls of buckshot are always flying. And for high-precision single-headed bullets, it is of great significance. As long as there is this sight, the shooting accuracy of the average person will be greatly improved.

As for the scope or something, Marlin didn't plan to get on. Because the effective range of the single-headed projectile is not high, the highest is only 200 meters, and the effective range can be seen with the naked eye, so there is no need to go on the scope. Only Mini rifles with an effective range of several hundred meters are necessary to mount the scope. Because, that distance is more than the human eye can see.

In addition, in order to facilitate aiming and avoid the trouble caused by smoke to aiming, Marin decided to equip the steel-core single-headed bullet with smokeless gunpowder.

Smokeless gunpowder produces more gas, which is more effective at pushing bullets, and it is convenient to not produce smoke that interferes with the line of sight.

As for the charge of smokeless gunpowder, Marin tested it and found that the charge of 10 grams was just right. No matter how high it is, the barrel will not stand it. After all, the barrel of this era was not drilled, but coiled and forged, and naturally there was an unstable stitch. If the blast is too high, it will crack the seam.

Moreover, 10 grams of smokeless gunpowder is almost equivalent to 30 grams of granulated black powder, which is full of power. Originally, the best charge Marlin equipped the rifle with was three-quarters of an ounce of granular black powder, which was equivalent to 21 grams. After changing to smokeless gunpowder, it should have been 7 grams, but Marin pursued long-range sniping and increased the charge by 3 grams. In this way, hitting the target at a distance of 200 meters is more stable. After all, the higher the velocity of the bullet, the longer the effective range.

It's just that this is a pain in the barrel. Even the barrel forged from mild steel is a little unbearable. To do this, Marin had to come up with a solution - to add a sleeve to the outer layer of the barrel. This is the method of the ferrule cannon learned from the German Krupp cannon, whether it is a musket or an artillery, when the propellant bursts, the main damage is mainly the barrel and the tail of the barrel. Therefore, Marin had a sleeve added to the second half of the barrel to further suppress the possibility of the barrel exploding. Of course, because it protects the internal barrel, this sleeve is not too thick. Moreover, it can be replaced.

……

In addition, during internal propaganda, Marin would deliberately mislead his subordinates, emphasizing the importance of smokeless gunpowder, and attributed all the credit for hitting accurately.

In this way, their own people have been deceived, not to mention the enemy's spies. Then, even if the enemy spy found some information, it was the wrong news. As a result, the pretenders will focus on smokeless gunpowder and ignore the shape of the bullet.

But is smokeless gunpowder that easy to make? That's amazing chemistry. People who don't understand chemistry will never think of how to make smokeless gunpowder in eight lifetimes. Not to mention the ancients in the 16th century, even in the 21st century, if you are not a person who is good at chemistry in middle school, you will not be able to make smokeless gunpowder.

Even, Marin plans to deliberately release the news in the future - there is a great alchemist in the Beihai country, who can create a powerful smokeless gunpowder...... Let the spies bring a wave of rhythm and lead Europe to set off an alchemy boom...... Then, no one paid attention to the shape of the single-headed bomb......

……

The selection of Kohler and Sauer is also going very smoothly. Because of Marin's simple and crude instructions, the two called out 4,000 elementary school scumbags who had been eliminated in the "Little Promotion" from various factories, including the non-commissioned officer school, and then took them to a chapel in batches to swear allegiance to Marin's portrait (painted by Leonardo da Vinci). Then, Kohler's spy and Sauer's scout, the two most observant professions, stood aside, carefully observing the expressions on the children's faces. Then, from time to time, I used a notebook to record the effect......

In the end, the two selected 200 of the most fanatical children......

However, Marin's request was for 100 people. The reason why they selected 200 people was to carry out an elimination. This elimination game is shooting......

It is undeniable that shooting also requires talent. Some people are natural marksmen, while others are born with a talent for aiming and shooting......

In order to test the children's shooting talents, Sauer specially instructed the craftsmen of the arsenal to make small muskets and greatly reduce the charge to reduce the recoil of the muskets and avoid injuring the children. Then, they erected a target 10 meters away and let the children practice shooting......

A week later, the 100 people with the worst shooting results were eliminated, leaving only the 100 people with the better shooting results......

Then, these 100 people were brought to Marin......

Sure enough, it was about the same as Marin thought. When these fanatical children saw their real people, their faces showed a look of excitement. Even, some of the children were so excited that they cried......

At this moment, Marin felt that he was possessed by three and a half months, and the traffic Xiaosheng was possessed...... And this group of children is properly brain-dead fans......

Moreover, Marin did not doubt that their expressions were faked. After all, this group of children is only twelve or thirteen years old. If you can pretend to be excited without flaws, this is definitely another traverser...... But that is highly unlikely......

Marin smiled and waved at the children, then encouraged the children for a while, and even shook hands with a few children in the front row. If there had been a camera in this era, maybe he would have taken pictures with the children...... Then he said loudly:

"I announce that the 'Young Musket Guards' of the Beihai Kingdom have been officially established! And you, my first and most loyal musket guards! ”

Suddenly, the children below cheered. In particular, Marin's phrase "I am the most loyal" simply scratched their itch. Tonight, these innocent children are probably going to lose sleep......

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