Danny's first impression when he held the gun was that its center of gravity had changed, and the whole thing had sank a little more - if you didn't look at the extra second tube next to the barrel, it was essentially a very ordinary bolt-action rifle, the same as that used by most of the soldiers in the musket battalion. From the point of view of workmanship, it is also obviously inferior to the precision rifle that he is used to. And the most striking change is nothing more than the metal tube on the side that extends all the way to the body of the gun and is connected with the pull bolt.

Looks like that's the key to the weapon's bursting, Danny thought to himself.

He leaned over the target and pulled the trigger, but instead of looking directly in the direction of the muzzle, as usual, he fixed his eyes on the iron pipe on the side of the gun.

With the tremor of the bullet coming out of the chamber, the unthinkable happened - even though everything happened in the blink of an eye, Danny, as a marksman, still saw the whole process of the change in the bolt. Almost at the same time as the gunshot rang out, the long pole hidden in the iron pipe seemed to be pushed out by something, driving the metal arc at the end to retreat in unison.

And this arc is connected to the bolt, and according to common sense, the bolt in a locked state cannot be pulled out. If it comes hard, the result is either a backward abort or a broken long rod. However, the bolt bounced along the hollowed-out trajectory in the center of the arc, unlocked the lock, and exited the shell without incident.

This is followed by a completely reversed process, with the long rod retracted into the tube and the bolt reset, and the bolt head falls again along the arc into the bottom, re-locking the chamber.

Is...... Brilliant design!

Danny sighed to himself, this part can be said to be obvious at a glance, even a layman like him can understand the principle at a glance. To put it simply, it is to use the long rod in the second iron pipe to replace the hand movement. The ingenuity lies in the fact that the long rod only relies on straight line advance and retreat, and realizes the four changes of lifting, pulling, pushing and pressing, and automatically completes the preparation for the next round of shooting without the user's intervention.

On a whim, he fired all the remaining bullets, smelling the intoxicating smell of gunsmoke, and the long-lost voice came back to his ears.

"Nineteen are missing one, and one is missing. Malt chuckled, "What, isn't it easy to use the new weapon?"

"I haven't gotten used to it yet, if I don't believe me, I'll hit it all on the target in the next round to show you. ”

"Uh...... Don't believe what?" a surprised voice interjected.

Danny suddenly came back to his senses, he was not on the battlefield at the moment, but in the shooting training range where a group of people watched. Standing up and looking at the commander of the artillery battalion with an inexplicable face, he pretended to be casual and shook his head and said, "No...... I'm just talking to myself. ”

"The results of twenty guns and nineteen shots are not satisfied, and he is worthy of being a marksman of the First Army. Vanna patted the other man on the shoulder and asked expectantly, "So...... What do you think of this gun?"

Danny also knows a little about the "open and secret fight" between the artillery battalion and the musket, but it is all in the service of His Majesty, and he does not want to hide his appreciation for the new weapon, "Aside from its stability and weight, it is almost impeccable, and if I could, I would like the weapons of the precision shooting team to be similarly modified." ”

In terms of accuracy, at least on the 50-meter target and the 100-meter target, it is not much worse than a normal rifle. The added weight is not conducive to standing fire and charging with a gun, but that is not something to be considered for accurate shooters, and it should be the same for artillery battalions.

The ability to fire continuously is the biggest advantage of the new weapon - in the event of a miss, the action of pulling the bolt to load will cause the head to shift, the muzzle will rise, it will take several breaths to re-lock the opponent through the scope, and it is not uncommon to lose the original target, which makes the interval between each fire much higher than that of ordinary soldiers. However, the musket in the test shot was able to significantly improve this, and he only needed to adjust the muzzle slightly to immediately replenish the corrected second bullet, especially when the enemy was swarming, and he could almost imagine a quick point to kill a group of targets.

Hearing this, Vanna couldn't help but grin, "At the moment, this is just an immature design, if you can help us perfect this weapon together, I will be a little more sure when I apply to Lord Iron Axe." ”

His idea was simple, if the precision shooting team really used the repeating muskets designed by the artillery battalion, then he would be able to overpower Brian.

Danny's idea was simpler - he had a love for weapons that could kill demons efficiently, and the smell of gunpowder smoke from the test shot would bring the malt back to him. "More than a pleasure to serve, Camp Commander. ”

The two looked at each other and smiled, and came to an agreement.

......

By the time Roland learned the news, it had been several days later.

More and more soldiers of the artillery battalion visited the No. 2 Machinery Factory and attracted the attention of the head of the factory, who did not dare to stop it rashly because of the involvement of the army, but reported the news to the Administration Department, and finally transferred it to the Minister of Industry Anna.

Looking at Anna's reproduced sample, Roland couldn't laugh or cry for a while, the design of this re-entry mechanism is all exposed can be described as simple and crude, although it can meet the requirements of continuous fire, but the complex environment in the field is also very easy to cause failure, and it takes more effort to maintain.

In this way, it seems that it is also suitable for artillery with few opportunities to shoot.

"What do you think?" Anna asked with a smile.

"Hmm...... While there is still much that could be improved, it is a good sign. Roland said lightly, "This at least shows that they have begun to learn to think about what is the weapon they really need." What's more, the advantage of this gun is also very obvious, that is, it can be modified directly on an existing rifle, even if it is affordable to use existing resources. ”

Of course, as long as you don't change the outfit of the whole army - otherwise the cost of bullets will be a staggering figure. In addition, front-line soldiers with heavy machine-gun support did not have the same urgent need for repeating weapons as artillery.

"In that case, I'll help them," Anna nodded.

With the help of the Queen, the new weapon was quickly finalized - the bolt and piston parts that were held together like a live buckle were reduced to a smaller tenon structure, and a shell was added to the junction between the two, which effectively reduced the vibration of the stroke while greatly reducing the jamming rate. After separating a part of the air duct, the new weapon finally changed from a handmade to a formal modification. At Roland's behest, the repeating rifle was given the name of Vanna.

After the news spread, the engineering department suddenly received several times more renovation proposal letters.

For this change, Roland is naturally happy to see it.

Or rather...... So far, the popularization of primary education has finally seen the sprouts.

This is far more worthy of joy than a new weapon.

But the surprise doesn't stop there.

The Tachira High Witch Selene sent a report saying that she had made a key breakthrough in the study of the Rubik's Cube of the Festival.

In the trial production of the sixth batch of Rubik's cubes, she found a way to drastically reduce the consumption of uranium flakes.