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SAE ammo

buschmasterbuschmaster Member Posts: 14,229 ✭✭✭
edited January 2017 in General Discussion
why does ammo come in sizes like .357, .283, .35346415? and it's all thrown together with metric ammo like 9mm, 10mm, 7mm, 7.62x39, yada yada if it was a toolbox it would be a nightmare.

why don't they get rid of it all and use SAE units. you have your choice between 3/8", 7/16", 1/2", etc
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Comments

  • 1911a1-fan1911a1-fan Member Posts: 51,193 ✭✭
    edited November -1
    NATO STANAG
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  • buschmasterbuschmaster Member Posts: 14,229 ✭✭✭
    edited November -1
    eh, those europeans all want to use metric.
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  • iceracerxiceracerx Member Posts: 8,860 ✭✭✭
    edited November -1
    You think the SAE uses fractions as a standard?

    Sorry, you're not even close.

    When SAE inch measurements are used the standard is in thousandths of an inch. Thus: .357, .45, 243, etc

    When SAE metric measurements are used the standard can be anything from whole numbers to microns (10^-6)

    Oh and just an FYI, your .35346415 would cost a fortune to produce. Those number behind the decimal have a cost, and it ain't cheap. (unless your tolerance is +/- .00046415)
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