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7.62x51-----5.7x28 ammo

tadlwdtadlwd Member Posts: 18 ✭✭
edited January 2007 in Ask the Experts
Is 7.62x51 the same as the 308cal? If so will it work in the newer rifles? Like I say I am new at this but I also have a few more questions; What is 5.7x28 ammo? What does NATO stand for? I have some ammo with the head stamp of 7.62 HF?? it looks to have a sabot bullet in a .223?? could this be and what is it used for?
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Comments

  • A J ChristA J Christ Member Posts: 7,534 ✭
    edited November -1
    Yes. 7.62 is the same as .308 with the 7.62 X 51 being the military designation. Yes it works in newer rifles. Note that some of the military stuff is loaded hot.

    5.7X28 is a rond chambered for the FN PS 90 and the FiveSeveN pistol series.

    North Atlantic Treaty Organization

    No idea on your last question, too early haven't had coffee yet.
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  • iwannausernameiwannausername Member Posts: 7,131
    edited November -1
    762x51 is dimensionally the same as 308 winchester, but htey are loaded to different pressures. The 308 CETME is the same, only even lower pressure than the NATO or commercial.
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  • IconoclastIconoclast Member Posts: 10,515 ✭✭✭
    edited November -1
    tadlwd -

    Welcome to the GB forums and, apparently, the wide world of the shooting sports!

    Is "7.62 HF" the entirety of the headstamp? Identifying the maker would be a big help in identifying your loads and I can find no "HF" in any of the references I have, nor on line.
    Added
    Just wondering . . . are you sure the second letter is an "F" and not a faint "P" ? Are the cases somewhat silver colored?

    If at all possible, please take good clear shots of the h/s and also of the cartridge (in profile), then either post them here or send to me via eMail.
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  • richbugrichbug Member Posts: 3,650
    edited November -1
    "HF" headstamp is from Singapore, as is HD, H1, JA, and a whole host of others. It is OK ammo, some shows slightly elevated pressures, not the best by far, but should be safe.
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  • IconoclastIconoclast Member Posts: 10,515 ✭✭✭
    edited November -1
    Thanks, Rich! I must have a brain cramp this morning - I was thinking in terms of makers alone and didn't consider the Singapore date codes!
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