Layer after layer, the Outer Skeleton jumped out from behind the "pieces", the first row was knocked down by bullets, and the second row then rushed forward, even if it was just a corrosive ball thrown to get knocked out.

The corpses fell layer after layer, but they still went forward one after the other.

Although the bullets of the commando team were denser than the torrential rain, the Outer Skeleton still advanced with great difficulty, slowly and toughly, meter by meter, with a huge number, the Outer Skeleton in front was hit, and the rear directly caught in front of them, and they actually used the corpses of their companions as cover, just to be able to rush faster.

If it is a human, this method is 100% useful, it is because the human body is soft, and the bullet can be effectively cushioned after penetration, but the outer skeleton is not, the carapace on the surface of their body increases the protective force at the same time, but also hinders the bullet penetration, even if the armor-piercing bullet finally penetrates the carapace, the huge mechanical impact force is received without waste.

It's like holding a riot shield in a hail of bullets, like countless hammers raised high, and then knocked down heavily, trying to move forward? If you don't retreat, you will burn too much incense.

The few people at the front gritted their teeth and didn't take a step back, Ye Fei's fingers cramped like a quick pull on the shotgun, emptying a magazine and replacing it with another immediately, the action was as fast and accurate as a machine.

The shotgun shook suddenly, only feeling the force of the back seat, but there was no vibration of the bolt when loading, Ye Fei immediately realized that he had run out of bullets and hung up empty. He subconsciously touched the magazine, but his hand felt empty, and then he realized that the magazine of six twenty rounds was all gone.

The black bear was standing beside him, and the flames from the muzzle of the Gatling gun spewed out more than half a meter away, and he hadn't finished a cartridge box yet!

Gatling can shoot all 5,000 rounds of bullets in one minute, and the bullets that come out of the chamber are endless, like the long whip of the god of fire falling into the world, no wonder Gatling has the nickname of the fire cannon.

Wherever his bullet hit, there would be an obvious depression in the front line of the Outer Skeleton, which was forced into it by the rain of high-density bullets, and the Outer Skeleton in front of him was even torn to pieces by the bullet.

Ye Fei reached out and touched the black bear's spare magazine stuck on the gun, and as soon as he pushed the bullet, a "basin" of brown blood was poured on his body.

The three medics didn't even have time to serve the brown blood, so they directly scooped it out with their heads and faces, and the few people at the front were the key objects of care.

Ye Fei was scared into a cold sweat, what if this basin was poured into the chamber of the gun? But he didn't have even the slightest time to alert the veterinarian, let alone slow down even the slightest bit of shooting.

Layers of outer skeletons fell, surged up, and fell again. When Ye Fei ran out of the third magazine, Gatling's flames suddenly disappeared, and in just one minute, he actually used up nine magazines, 180 rounds, an average of three rounds per second!

For a rifle or machine gun, this speed is really not very good, but when it is changed to a shotgun, it will be fatal, only he and the black bear in the team are carrying shotguns, and they are all dart bullets with the highest penetrating power, each dart bullet is shot out, and when the slender steel dart hits the outer bone man, it can form a fan-shaped attack surface about four meters wide, and the outer bone man who was hit is full of dense steel darts, and the end is ten thousand arrows piercing the heart.

As soon as the Gatling of the black bear stopped, the firepower of the commando team suddenly dropped by a level, and the outer skeleton man who had been pressed to the limit was like a spring that had been compressed to the limit, and suddenly there was an elastic rebound, and it quickly advanced more than ten meters.

Is it only a minute? Ye Fei felt that the short meeting just now was as long as a year, and his fingers almost turned because he quickly pulled the trigger.

"Machine guns—" he yelled.

The reinforcements leaped out like clockwork puppets, and the muffled sound of Gatling resounded through the cavern once more.

Gatling's super firepower is based on a large amount of bullet consumption, Ye Fei's team is understaffed, only Black Bear alone carries two boxes of bullets, and there are sub-shooters in the reinforcement team to help carry one more box, even so, the three detachments together, there are only eight boxes of bullets, and they can't even hold on for ten minutes.

The assault rifle has a magazine capacity of only 60 rounds, and all the rifles of the three detachments are fired at the same time, which means that the density of fire will be comparable to that of a Gatling.

The situation is grim, and the commander of the reinforcement detachment has applied to the command center for ammunition support, but the battlefield is not on the ground, the supply box cannot be directly airdropped to the battlefield, and the bullets cannot be delivered in a moment and a half, so when a Gatling can hold it, the bullets cannot be wasted.

The outer bone man was re-pressed, but it lost more than ten meters, but it couldn't be recovered.

"Cover - back off, back off!" Ye Fei emptied the black bear's last magazine, and then threw away the corroded shotgun.

It can't go on like this, although the area of the cave hall in front is not very large, it is enough for hundreds of outer skeletons to launch an offensive, and for the sparsely manned assault team, it is very unfavorable for the short-handed assault team to engage in hand-to-hand combat in this environment.

Retreating a certain distance, the front line of the outer skeleton will inevitably squeeze into a relatively narrow hole, and the frontal deployment of troops will be greatly reduced, which is conducive to one's own defense and more conducive to giving full play to the advantage of firepower.

The team fought and retreated, Ye Fei adjusted the sniper rifle to 12.7 mm, and the large-caliber sniper bullet exploded with a deafening roar, and the huge warhead shot through at least four exoskeleton people, and the first exoskeleton man who was shot was torn apart by the bullet.

"Grenades—" a squad leader shouted, and a tom-tom burst into a chorus as more than a dozen grenades flew towards the outer skeleton, exploding a row of dazzling flames.

The shock wave was amplified several times by the enclosed environment, and the outer skeleton man was suffocated, and even the players who were in front of him were almost blown down.

The explosion slowed down the momentum of the Outer Skeleton, and the team members in front of them were finally able to catch their breath.

"Come again!" Another volley of grenades.

What they shoot is actually a multi-purpose grenade, and when they are inserted into the muzzle of the gun, it is a grenade, and when they throw it by hand, it is a grenade.

However, the grenade could only block for a while, and before the smoke of the explosion had dissipated, the outer skeleton man actually rushed up again.

At this point in the battle, everyone except for the machine gunners who have saved their strength has used up at least two-thirds of their bullets, and then they will go down hard, and they will wait for the ammunition to run out.

"Smart Bomb!" I don't know who shouted again, and more than a dozen smart bombs crawled nimbly from under the feet of the team like mutated large spiders.

The team fought and retreated, threw all the grenades, used up the smart bombs, ran out of eight boxes of machine gun bullets, and even used directional mines in the last round, and retreated more than 200 meters in a row, and the skeleton man still chased after him endlessly.

Bad dish!