When Wu Sangui saw this scene, he was completely stunned and speechless.

The flintlock pistol that Lu Yuan took out completely changed his perception and cognition of the musket.

At this moment, he thought in his heart, if there were a little more of these guns, wouldn't they be able to sweep the enemy on the battlefield.

"Daisen, how many guns are there?"

He asked a little impatiently.

"Three thousand!"

Lu Yuan only planned to give Wu Sangui 3,000 flintlock pistols, and the next one would be spent on it.

"The kindness of the Great Immortal, I Wu Sangui will remember it in my heart!"

When Wu Sangui heard this, his heart was suddenly full of gratitude.

"But these are not for you, you need to buy them with gold and antiques!"

Lu Yuan said coldly.

"It's natural, it's just that I'm ...... now"

When Wu Sangui heard Lu Yuan's words, he didn't feel that there was anything wrong with it, it was impossible for pies to fall from the sky, Lu Yuan gave him a weapon, and he naturally had to pay something.

But now that the Ming Dynasty is in danger, internal and external troubles, the imperial court's finances have long been empty, and he has not paid military salaries here for several months, and there is no money at all.

"Don't worry, after you defeat the Qing army, you will definitely be rewarded, and then you can give it to the immortals. ”

Lu Yuan also knew that Wu Sangui was indeed very difficult at the moment, so if he was not persecuted, he was willing to pay on credit.

Moreover, with the weapons given to him by Lu Yuan, it was naturally easy to defeat the Qing army, and when the time came, he was rewarded by Emperor Chongzhen, and he naturally had the ability to repay his debts.

The most important thing is that Wu Sangui is only in his twenties, and he has already become the general army of Liaodong, if he defeats the Qing army again, the future will naturally be all the way, and he will not be short of money at all in the future, so it is impossible for him to give up this long-term arms business.

Moreover, he also hoped that Wu Sangui could prevent the Qing army from entering the customs and be able to hold the Han family, so as not to be occupied by the Manchus on the Shenzhou mainland, so that the Chinese people would sink from then on.

Although this is a parallel world and cannot affect future generations, he also hopes that Wu Sangui can defend this place.

Hearing this, Wu Sangui's heart finally landed.

Subsequently, finding a hidden place, Lu Yuan took out the remaining nine heavy cannons and 3,000 flintlock pistols, as well as the corresponding shells, bullets, gunpowder, etc., and handed them to Wu Sangui.

Looking at the munitions filled with the entire room in front of him, Wu Sangui's heart suddenly gave rise to a lot of pride, his face was full of confidence, and the fighting spirit on his body was incomparably strong.

Then, according to Lu Yuan's instructions, 3,000 soldiers were selected, each with a flintlock pistol, to go to a place to practice guns.

Speaking of gun practice, in fact, it is to be proficient in using the method, after all, marksmanship is not something that can be practiced in a few days.

Moreover, in this kind of battlefield where the army is in close contact and the army is charging, in the face of dense enemy troops, there is no need for accurate marksmanship, as long as the muzzle of the gun is not facing the sky, otherwise under a round of gunfire, the enemy will inevitably suffer countless casualties.

After about three or four days of practice, everyone was basically familiar with the use of the flintlock pistol, and also practiced three-stage shooting according to Lu Yuan's instructions.

The so-called three-stage shooting means that the 3,000 people are divided into three rows, with the first row firing, the second row preparing, and the third row loading.

After the first platoon finished firing, it immediately withdrew to the last platoon and began to reload, while the second platoon, which had already been prepared, continued to fire, and after finishing it, it also withdrew to the last platoon to reload, and the third platoon went up again.

This cycle can maximize the strength and stability of firepower.

After practicing for a few days, Wu Sangui and the others expressed their amazement at this tactic.

As for the ten heavy artillery, they also practiced for a few days, and during these days, they could constantly hear the sound of thunder.

Although today's artillerymen are not able to hit every shot, they have made a lot of progress compared to before, and they can also play a great role on the battlefield.

Just as they were immersed in the fiery training, the Qing army outside the city launched another attack on Shanhaiguan.

After receiving the news, Wu Sangui and all the generals showed anticipation and strong fighting spirit on their faces, and after a few days of training and familiarizing themselves with the power of these weapons, they had great confidence in defeating the Qing army.

Subsequently, Wu Sangui quickly gathered the army and asked the artillerymen to go to the city wall one after another to make some preparations.

And he took 3,000 musketeers out of the city gate and came to the outside of the city to compete with the Qing army.

The Qing army, which was two miles away, saw that the Ming army dared to go out of the city to fight, and a cruel smile appeared on their faces.

Now that winter is about to begin, and once it snows, they will have to wait until after the beginning of spring next year, so they will need to open a hole and enter the customs to loot some materials for the winter.

Subsequently, the Qing army, under the command of a middle-aged general, launched a charge towards Shanhaiguan, preparing to strangle the Ming army out of the city.

Boom Boom!

The Ming army under the city of Shanhaiguan only felt the sound of earth shaking in the distance, looking at the dust, they knew that the Qing cavalry had charged.

Seeing this, the soldiers were a little nervous, and couldn't help clenching the muskets in their hands, exhaling heavily, and staring straight ahead.

And Wu Sangui stood at the front, staring at the cavalry charging by the Qing army, calculating the distance in his heart.

When the Qing cavalry was still about a mile away from them, he drew his long sword and swung it forward.

The artillerymen on the city wall saw Wu Sangui's movements, and immediately put the torch on the lead and lit the lead.

As for loading and aiming, it was prepared beforehand.

Bang! Bang!

Soon, the lead was burned out, and several heavy cannons made a loud noise at the same time, and then one after another saw shells shoot out of the muzzles of the cannons, blasting towards the Qing cavalry.

Rumble!

Cannonballs continued to fall from the sky, falling in the Qing cavalry camp, some of the shells fell to the ground and exploded, blowing up the surrounding cavalry people on their backs, and even some of the shells fell directly on the soldiers, and the soldiers were suddenly bombarded.

After several rounds of heavy artillery fire, the Qing cavalry charge was disrupted, and the soldiers also showed panicked expressions on their faces.

They had seen the artillery fire of the Ming army before, but they had never felt this kind of divine might.

But for the sake of food for the winter, they could only rush towards Shanhaiguan without stopping.

Seeing that the speed of the Qing army's charge was greatly reduced, the corners of Wu Sangui's mouth also showed a sneer.

Immediately, after the Qing army entered the range of the flintlock pistol, he raised his long sword again and shouted: "Three-stage shooting, prepare!"

Hearing this, the soldiers immediately stood in formation and made preparations.

"Shoot!"

Wu Sangui calculated the distance, and then shouted!

"Bang! bang!"

Then, there was a burst of gunshots, followed by a cloud of black smoke rising, and a fiery projectile flew towards the body of the Qing soldier at high speed.