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Reply #56: Slip of the keyboard? [View All]

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Home » Discuss » Topic Forums » Guns Donate to DU
benEzra Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Jun-07-05 12:26 PM
Response to Reply #53
56. Slip of the keyboard?
I took him to mean armor-piercing ammunition in centerfire handgun calibers?

Explanation for any non-gunnies who may be scratching their heads over the terminology here--a centerfire cartridge is one in which the priming compound is contained in a priming cup in the center of the cartridge base. Rimfire cartridges (the other type) have the priming compound spun into a hollow rim around the base of a thin-walled case. Rimfire cartridges are very low-pressure by firearm standards but are much cheaper to manufacture. As far as common cartridges go, .22's are rimfire and pretty much everything else is centerfire.

An average centerfire handgun (9mm) is two to three times more powerful on an energy basis than a .22, while an average centerfire rifle (.30-06, most common deer hunting caliber in the U.S.) is around twenty times more powerful than a .22 on an energy basis.
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