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Ammunition

Ammunition comes in many different forms and sizes. It may be purchased retail or loaded at home. The type of ammunition used in the same firearm can vary greatly depending on the purpose.

3,450 Questions

How bullets work?

A bullet is the part of a cartridge that is fired from the gun. A cartridge consists of a cartridge case, primer, powder, and the bullet. The primer is struck by the firing pin, and explodes. In doing so, it ignites the gunpowder. Rapidly burning powder produces a rapidly expanding gas. This pushes the bullet out of the barrel.

What is the velocity of a 180 grain bullet coming out of a .44 magnum if there are 20 in a barrel?

The velocity will vary depending on the load of the cartridge. Factory loaded 250 grain .44 magnums are rated at 1760 fps from a Marlin lever action rifle with a 20 inch bbl. I would expect another 100 fps from a lighter, 180 gr bullet. Your best answer may come from Marlin- 1-800-544-8892 is Customer Service.

How do they measure a 50 caliber bullet?

A .50 caliber bullet is measured by its diameter, which is half an inch (or approximately 12.7 millimeters). Measurement can be done using specialized calipers or micrometers. The caliber of a bullet refers to the diameter of the projectile it can fire.

Why Bullets should not be fired into water because?

Bullets fired into water can travel long distances and still retain lethal velocity, posing a risk to people and wildlife. Additionally, the impact of the bullet hitting the water can cause unpredictable deflection, increasing the likelihood of injury or damage. Furthermore, the lead from the bullets can contaminate the water, posing environmental hazards.

If a gun is fired straight upward and the bullet leaves the gun at 100ft per second after 2 seconds the velocity of the bullet is 36 feet per second what is the velocity after 3 seconds?

Since the bullet is fired straight upward, it will be decelerating due to gravity acting in the opposite direction of its initial velocity. Thus, at t = 3 seconds, the velocity will be less than 36ft per second but still positive (as it's moving upward). To calculate the exact velocity, you would need to use the kinematic equation for velocity in one dimension.

Is the force of a gun the same as the force of the bullet coming out the gun?

No, the force of the gun results from the explosion of the gunpowder, propelling the bullet forward. The force of the bullet is the result of the acceleration it receives from the gun's explosion, which propels it in the opposite direction.

A bullet fired horizontally has how many forces acting on it after leaving the rifle?

After leaving the rifle, the bullet only has the force of gravity acting on it vertically downwards. In the horizontal direction, there are no horizontal forces acting on the bullet unless there is air resistance or any other external force present.

When a rifle with a longer barrel is fired the force of expanding gases acts on the bullet for a longer distance what effect does this have on the velocity?

To a point, the velocity of the bullet will increase. However, at some point, the gasses driving the bullet have maxed out, and beyond that point, the bullet will begin to slow from friction with the barrel. For a .22 LR cartridge, that length is about 12 inches. Larger cartridges have a greater "Max velocity" length, but there is a point of no more gain, and the start of loss of velocity.

A bullet travels at 3000 FPS. If target is 7500 feet away how far does the bullet drop from line of sight?

working horizontally: time = dist/speed = 7500/3000 = 2.5

working vertically: distance= initial velocity*time + 0.5* accelleration*time^2

distance=0*2.5+0.5*-9.8*2.5^2 = -61.25 feet

it drops by 61 and 1/4 feet

When a bullet is shot and the other one is dropped do they both land together?

No, the bullet that is shot will continue to travel at a high speed until it hits something, while the dropped bullet will fall to the ground due to gravity. The two bullets will not land together.

Aerodynamics in and around a bullet?

A bullet's shape is designed to minimize air resistance, or drag, as it travels through the air. This streamlined shape helps the bullet maintain high velocities and remain stable in flight. Additionally, the rifling of the barrel imparts spin on the bullet, which improves accuracy by stabilizing its trajectory.

What is it called when a bullet impacts a target and has has no effect?

A "dud" is a term used to describe a bullet that impacts a target but fails to have any effect, typically due to a malfunction or issue with the round's firing mechanism.

What is the fastest speed a bullet can travel?

Apart from the speed of light, there really isn't any definite limit. Using technologies like rail guns or light gas cannons bullets can be accelerated to many times the speed of sound.

What is the maximum velocity for a lead bullet using a gas check?

The velocity limit of cast bullets is dependant more on the hardness of the alloy than anything else. The use of gas checks should increase the limit by 300 to 400 fps. I use an alloy of 95% wheel weights and 5% bar solder. My limit is1400 fps for plain base and 1800 fps for gas checks before leading becomes a problem. Cleaning the bore often will help.

When a gun fired it exerts a forward force on the bullet why does the gun recoil backwards?

Well, remember that, for every action, there is an equal and opposite reaction. In an automatic firearm, this will be enhanced by the action, which exerts force against the bolt carrier or slide to cycle it.

If you shot a gun is space would the bullet ever stop?

Outer space is not TOTALLY empty- simply CLOSE to empty. The space between stars has a tiny amount of dust and a few atoms of hydrogen. Eventually the bullet would hit something, or be slowed by friction. May take a few million years to do that......

How many feet per second does a 9MM bullet travel?

A typical 9mm bullet travels at a velocity of around 1,200 feet per second when fired from a handgun. This can vary depending on the specific type of ammunition used and the barrel length of the firearm.

What is the velocity of a 50 cal bullet?

Good question. Like many questions, the answer is, "It depends." It depends on how it is loaded, what powders are used, what bullet weight is used, and when the velocity is measured. For example, sitting in the chamber, the velocity is 0 feet per second. Ha ha. But, let's assume you meant "maximum velocity", which occurs just as the projectile exits the muzzle of the gun. A muzzle loading rifle, using a .50 caliber projectile and black powder, will have relatively slower muzzle velocities than .50 caliber modern cartridges. With modern powders and rifles, at the muzzle, the velocity may be as high as almost 3,000 feet per second. Shooters who load their own cartridges can achieve any velocity in between those extremes. Once the projectile leaves the muzzle, it begins slowing down from air friction until it reaches 0 feet per second again, on impact. Funny, but true.

A hollow point bullet travels how fast?

The speed of a hollow point bullet can vary depending on the caliber and type of firearm it is fired from. On average, handgun bullets can travel at speeds ranging from 800 feet per second (fps) to 1500 fps, while rifle bullets can reach speeds of up to 4000 fps or more.

How do you determine trajectory of a bullet?

Trajectory of a bullet in flight is governed by a combination of the initial speed, the ballistic coefficient of the bullet, the angle at which it is fired, and external factors such as air temperature, humidity, wind speed, and air pressure. Ballistic coefficient is a value assigned based on the bullet shape and its length to diameter. A bullet with a higher ballistic coefficency will retain energy (speed) better than one with a low BC. There are several computer programs that can be used in the speed and BC (the major factors) are known.

Why does your bullet tumble when it comes out of the barrel?

Bullets fired from a rifled firearm should NOT tumble in flight. If they do so, it is a sign of problems.

This may be caused by different matters that all relate to the rifling in the firearm, and the bullet.

First is rifling is badly worn, if the bore is oversized for the bullet, or if rifling is badly fouled with lead/ jacketing metal/powder deposits, the bullet will not be gripped by the rifling and spun, and may not be stable in flight (tumbling) Try cleaning the bore properly, and check for excessive wear at the muzzle.

The second condition is the wrong weight/length of bullet for the rate of twist of the rifling. A fast rate of twist, combined with a very fast bullet, MAY result in the bullet "stripping", and not being spun by the rifling. Or a very heavy, slow bullet may not be spun fast enough to stabilize the bullet. Most .22 rimfire rifles are rifled to shoot 40 grain bullets accurately. If loaded with a 60 grain bullet, such as the Aguilla 60 gr SSS, the bullet will not be stabilized, and may tumble in flight.

A 12g rifle bullet is fired with a speed of 380 v into a ballistic pendulum with mass 6 kg suspended from a cord 70 cm long What is the vertical height through which the pendulum rises?

To find the vertical height the pendulum rises, you can use the principle of conservation of energy. The initial kinetic energy of the bullet is converted into potential energy at the highest point of the swing. Use the equation: mgh = 0.5mv^2, where m is the mass of the pendulum, h is the vertical height, and v is the velocity of the bullet. Calculate the vertical height h to determine how high the pendulum rises.

What causes a bullet to spin?

There are spiral grooves engraved on the inside of a rilfe or pistol barrel. When a bullet is fired, it is forced into those grooves, which impart a spin to the bullet. The grooves are called rifling.

Does a bullet shot from a gun undergo any acceleration after it leaves the barrel?

No- or minimal at best. Acceleration of the bullet comes from gas expanding inside the barrel, pushing the bullet. Once it leaves the barrel, (or within a VERY short distance) gas is no longer pushing, and acceleration stops, and bullet begins to slow from air resistance.

How reduce velocity of bullet in air?

To reduce the velocity of a bullet in air, you can increase the drag force acting on the bullet by using a heavier or more aerodynamically shaped bullet, or by increasing the air density (e.g., shooting at higher altitudes). Additionally, you can decrease the initial muzzle velocity of the bullet by using a lower-powered cartridge or firearm.