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About 10mm Auto Ammunition
The 10mm Auto, often referred to as 10mm, is a potent handgun cartridge that was introduced in 1983. When compared to standard, non-specialty .357 Magnum loadings, the 10mm Auto is capable of producing higher energies. Specialty 10mm Auto loadings are on par with specialty, high performance .357 Magnum loadings. The cartridge is often compared to the 9mm Luger and .45 ACP as they are common semi-automatic cartridges of the time. The 10mm Auto essentially has high velocities, like 9mm Luger, and larger, heavier projectiles, like .45 ACP, providing shooters with a versatile and capable round. The 10mm Auto will notably have a stout and snappy recoil impulse which is accompanied by flat trajectories.
Types of 10mm Auto Loadings
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Full Metal Jacket (FMJ): Like the name suggests, these types of loadings feature projectiles which are adorned with metal jacketing. This jacket is generally made of copper and will cover the tip and sides of the projectile. Typically, the base of the projectile is left uncoated. These types of loadings are well-suited for range use and are some of the most common types of ammo one will encounter.
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Jacketed Hollow Point (JHP): JHP loadings feature hollow point projectiles which are adorned with a full metal jacket. These loadings are generally found in the form of defensive ammo offerings and are designed to facilitate reliable expansion upon impact. Additionally, these types of loadings are designed to achieve adequate levels of penetration for defensive purposes while not overpenetrating the target and risking collateral damage. A good hollow point loading is one that achieves an appropriate level of penetration while expanding reliably upon impact within the target.
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Hard Cast Flat Nose (HCFN): These types of loadings feature distinct flat projectiles which are a stark contrast to typical pointed and rounded projectiles. While these loadings may have inferior velocity potentials, their flat point nature aids in facilitating effective expansion. Simply put, these types of loadings are optimized for defensive use due to their effective terminal ballistics and wounding capabilities.
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eXtreme Terminal Performance (XTP): These loadings feature specialty XTP projectiles from Hornady. These bullets are optimal for use cases such as hunting, defense, and duty use depending on the caliber and specific loading. These loadings are designed to provide consistent and controlled expansion in addition to a high degree of accuracy.
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Hollow Point (HP): HP loadings feature hollow point projectiles like the name suggests. This removal of material makes the projectile lighter and promotes high velocities. These types of loadings are optimized for self defense or match use and have a tendency to expand on impact. A good hollow point loading is one that achieves an appropriate level of penetration while expanding reliably upon impact within the target.
Firearms that Use 10mm Auto Ammo
Prospective firearm purchasers will find that 10mm Auto is well-supported by the industry. Numerous handguns and PCCs are available in the cartridge and are available from many companies. These firearms are available in a variety of sizes, styles, and configurations, providing shooters with a variety of options when selecting a firearm. Additionally, some old production models, such as old Smith & Wesson and Colt semi-automatic handguns, can be found on the secondhand market. In short, one will have no problem finding a 10mm Auto chambered firearm if they are after one.
Use Cases for 10mm Auto Ammunition
- Plinking
- Training
- Defense
- Handgun Hunting
- Competition
Popular Brands: 10mm Auto Ammo
Caliber Name Variations
- 10mm
- 10mm Auto
- 10mm Automatic
10mm Auto Interchangeability
Currently, one can find examples of firearms which are rated from the manufacturer to shoot both 10mm Auto and .40 Smith & Wesson. A notable example of such a firearm comes in the form of the Smith & Wesson Model 610 revolver. This double action revolver uses Moon Clips to facilitate reliable function with rimless, semi-automatic cartridges such as 10mm Auto and .40 Smith & Wesson. The manufacturer specifically states that the revolver is intended for use with both of these calibers.
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