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If you intend to load ammunition that will be for sale in the the United States, and European Countries, understanding what the CIP and SAAMI differences are becomes very important. When purchasing case and cartridge gages for the particular caliber make sure you know what standard the case/cartridge gage was made to.
Sep 28, 2024 · English cartridges, or those measured in inches, vary with how the case is specified. Usually, they will have a caliber number along with a name or word. A .38 Special cartridge has a 0.358” diameter bullet and a 1.155-inch long case. A .357 Magnum cartridge also has a 0.358” bullet, but the case is 1.290 inches long.
Bullet Size & Caliber. First! For guns, “caliber” means the diameter of the barrel and thus the diameter of the bullet that is going through it. Usually in inches or mm…like 9mm for pistols and .223 for rifles. Also for terminology’s sake, “bullet” just means the metal projectile, while the entire thing is called a cartridge.
- Eric Hung
- Overview
- Caliber Size
- Varying Sizes
- Weight & Performance
- Recoil Physics
- Pros & Cons
This article provides information on bullet caliber size charts, including measurements in inches and millimeters of the most common rifle and handgun ammo cartridges. The article also discusses how bullet weight impacts performance, such as trajectory, terminal ballistics, impact to target and recoil. It explains that lighter bullets are faster bu...
The bullet caliber size charts show a measurement in inches and millimeters of the most common rifle and handgun ammo cartridges.
Bullet size may vary within a given cartridge, or have a standard bullet size. For example, .308 rifle bullet varies from 125 to 185 grains while 9mm Luger varies from 60 to 160 grains. AR-15 has 55 grain standard bullet size.
Bullet weight impacts trajectory, terminal ballistics, impact to target and recoil; lighter bullets are faster but more susceptible to wind than heavier ones; accuracy is only one factor among several factors for determining what size of bullet to use.
Recoil is an equal opposition reaction that requires more energy for moving heavier bullets which generate more recoil than lighter ones; lower weights ideal for target practice due to less recoil generated by them.
There are pros and cons between using lighter versus heavier weight bullets; larger caliber with heavy bullet provides better expansion, penetration and take down power for hunting large game while also ideal for self defense weapons where stopping power is essential as first shot may be only shot available.
Sep 7, 2022 · Getting to match the right bullet with the gun of your choice has not been an easy task for the past years due to the increase in bullet sizes and cartridge dimensions. Nonetheless, nowadays a lot of people use their firearms for the same reasons like sporting events, hunting purposes, or self-defense therefore one can get what fits their needs from the caliber list items.
For instance, an 11.43x23mm round has an 11.43mm (.45-caliber) bullet diameter on a case that is 23mm long. On this side of the pond, rather than specify the bullet diameter and the length of the case, we typically just label a cartridge by caliber and who invented it.
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Oct 30, 2024 · Simply put, caliber refers to the size of the bullet or the internal diameter of a firearm’s barrel. It can be expressed in inches (like .45 caliber) or millimeters (like 9mm). The term can sometimes be confusing because certain cartridge names might not directly correspond to the actual bullet diameter.
