Can You Use 380 Bullets In A 9 Mm Gun?

Can You Use 380 Bullets In A 9mm Gun?

The .380 ACP and 9mm Luger are two of the most popular pistol cartridges in the world. They’re both relatively small and lightweight, making them ideal for concealed carry. But can you use a .380 bullet in a 9mm gun?

The short answer is no, you cannot. The .380 ACP is a smaller cartridge than the 9mm Luger, and its bullet is not long enough to reach the lands and grooves in the 9mm barrel. If you try to fire a .380 bullet in a 9mm gun, it will likely jam or even damage the gun.

However, there are some exceptions to this rule. Some 9mm guns have been modified to accept .380 bullets. These guns have a shorter barrel and a modified chamber, which allows them to safely fire .380 bullets.

If you’re not sure whether or not your 9mm gun can fire .380 bullets, it’s best to err on the side of caution and not try it. It’s always better to be safe than sorry.

Can You Use 380 Bullets In A 9 Mm Gun? Yes No
Bullet Diameter .380 in (9.65 mm) .355 in (9.02 mm)
Bullet Length 8.50 mm (.335 in) 10.4 mm (.411 in)
Muzzle Velocity 900 ft/s (275 m/s) 1,150 ft/s (350 m/s)
Maximum Pressure 14,000 psi (97 MPa) 21,000 psi (145 MPa)
Recoil Mild Moderate
Accuracy Good Excellent
While it is possible to fire a .380 bullet in a 9mm gun, it is not recommended. The smaller bullet will not be able to generate enough pressure to cycle the action of the gun properly, and it may also cause damage to the gun. It is always best to use the correct ammunition for your gun.

Overview

What is a .380 bullet?

A .380 bullet is a type of ammunition that is typically used in pistols. It is a small, lightweight bullet that is designed to be fired from a short barrel. .380 bullets are typically made of lead and have a copper jacket. They are typically used for self-defense and target shooting.

What is a 9mm bullet?

A 9mm bullet is a type of ammunition that is typically used in pistols and submachine guns. It is a larger, heavier bullet than a .380 bullet and is designed to be fired from a longer barrel. 9mm bullets are typically made of copper or brass and have a lead core. They are typically used for self-defense, target shooting, and law enforcement.

Are .380 bullets and 9mm bullets interchangeable?

No, .380 bullets and 9mm bullets are not interchangeable. The two bullets are different in size and shape, and they cannot be used in the same firearms.

Differences Between .380 Bullets and 9mm Bullets

Diameter

The diameter of a .380 bullet is 0.355 inches, while the diameter of a 9mm bullet is 0.355 inches. This means that a .380 bullet is slightly smaller than a 9mm bullet.

Case length

The case length of a .380 bullet is 1.06 inches, while the case length of a 9mm bullet is 1.125 inches. This means that a .380 case is shorter than a 9mm case.

Bullet weight

The weight of a .380 bullet is typically between 90 and 100 grains, while the weight of a 9mm bullet is typically between 115 and 125 grains. This means that a .380 bullet is lighter than a 9mm bullet.

Muzzle velocity

The muzzle velocity of a .380 bullet is typically between 850 and 950 feet per second, while the muzzle velocity of a 9mm bullet is typically between 1,000 and 1,200 feet per second. This means that a 9mm bullet is faster than a .380 bullet.

Power

The power of a .380 bullet is typically between 150 and 200 foot-pounds of energy, while the power of a 9mm bullet is typically between 250 and 300 foot-pounds of energy. This means that a 9mm bullet is more powerful than a .380 bullet.

.380 bullets and 9mm bullets are two different types of ammunition that are not interchangeable. While they are both small-caliber bullets, they are different in size, shape, and weight. .380 bullets are typically used in pistols, while 9mm bullets are typically used in pistols and submachine guns. 9mm bullets are more powerful than .380 bullets, but they are also larger and heavier. Ultimately, the best type of bullet for you depends on your needs and the firearm you are using.

Can You Use 380 Bullets In A 9 Mm Gun?

No, you cannot use 380 bullets in a 9mm gun. The 380 ACP (Automatic Colt Pistol) cartridge is a rimless, straight-walled cartridge that is shorter and has a smaller diameter than the 9mm Luger cartridge. This means that 380 bullets are too small to fit in a 9mm gun and will not fire properly. If you try to use a 380 bullet in a 9mm gun, it will likely jam or cause damage to the gun.

What are the differences between 380 ACP and 9mm Luger cartridges?

The following table summarizes the key differences between 380 ACP and 9mm Luger cartridges:

| Feature | 380 ACP | 9mm Luger |
|—|—|—|
| Caliber | .355 in (9.1 mm) | .355 in (9.1 mm) |
| Rim | Yes | No |
| Wall thickness | Straight | Tapered |
| Case length | 1.06 in (27 mm) | 1.24 in (31 mm) |
| Bullet weight | 90-110 gr (5.8-6.8 g) | 115-147 gr (7.5-10.5 g) |
| Muzzle velocity | 900-1,050 ft/s (274-320 m/s) | 1,000-1,350 ft/s (305-412 m/s) |
| Maximum pressure | 25,000 psi (172 MPa) | 35,000 psi (241 MPa) |

What happens if you use a 380 bullet in a 9mm gun?

If you try to use a 380 bullet in a 9mm gun, it will likely jam or cause damage to the gun. This is because the 380 bullet is too small to fit in the chamber of a 9mm gun and will not be able to fire properly. Additionally, the 380 bullet is not as powerful as the 9mm bullet and could cause the gun to malfunction.

What should you do if you accidentally use a 380 bullet in a 9mm gun?

If you accidentally use a 380 bullet in a 9mm gun, you should immediately stop firing and clear the gun. Then, you should remove the 380 bullet from the gun and dispose of it properly. Finally, you should inspect the gun for damage and have it repaired if necessary.

Can you use 9mm bullets in a 380 gun?

Yes, you can use 9mm bullets in a 380 gun. However, you should be aware that 9mm bullets are more powerful than 380 bullets and could cause damage to the gun if they are not used properly. Additionally, 9mm bullets are longer than 380 bullets and may not fit in the magazine of a 380 gun. If you are going to use 9mm bullets in a 380 gun, you should make sure that the gun is compatible with 9mm bullets and that you are using the correct ammunition.

the answer to the question Can you use 380 bullets in a 9mm gun? is no. While both cartridges share similar dimensions, they are not interchangeable. 380 bullets are shorter and have a smaller diameter than 9mm bullets. Attempting to use a 380 bullet in a 9mm gun can result in damage to the gun and serious injury to the user.

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