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potentialglock 12-05-2012 07:36 PM

cartridge designation?
What's the second number in the cartridge designation. Like 9x19 or 7.62x39 etc. Is the second number the bullet length or cartridge length?

willfully armed 12-05-2012 07:48 PM

Mm in length for metrics.

Overkill0084 12-05-2012 07:51 PM


c3shooter 12-05-2012 08:59 PM

Bear in mind that the diameter is the NOMINAL diameter. A .22 Magnum is NOT the same diameter as a 22 LR. The 9mm Parabellum and 9mm Makarov or NOT same diameter. Sometimes the name itself is a bit screwy- .38 Specials are NOT .38 inches in diamter, etc.

locutus 12-06-2012 11:02 PM

The second number is the case length.

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