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Thread: Current ADI 5,56mm Powder type and charge weight

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    Member Rastus's Avatar
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    Current ADI 5,56mm Powder type and charge weight

    Hello,

    Would anyone have information on current powder type and correct charge weight for the current ADI ammunition F1A1?

    Thanks
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    Really Senior Member Mr E's Avatar
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    I have no insider knowledge but as a WAG I would say its 24.5 of BM2 under a 62g AP
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    Member Rastus's Avatar
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    Quote Originally Posted by Mr E View Post
    I have no insider knowledge but as a WAG I would say its 24.5 of BM2 under a 62g AP
    Thanks!

    Would anyone else have any information?

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    Really Senior Member Sunray's Avatar
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    Manufacturers do not publish that kind of info as they load to get a specific velocity range at a specific pressure range in a particular cartridge and bullet weight. The powder may not be the same powder in every lot either.
    Apparently, ADI uses BTI powders exclusively. The F1A1 Ball ammo is a nominal 4 gram(62 grains) bullet at similar velocities(none published) to FN SS109 and US M855 ball cartridges, using a single base solvent propellant.
    The Hodgdon Extreme family of powders, Stateside, includes: H4198, H322, BENCHMARK, H4895, VARGET, H4350, H4831, H4831SC, H1000, RETUMBO and H550BMG are BTI powders. That doesn't mean reloaders can get the powders used in the F1A1 ammo though.
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    Thanks!

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    Really Senior Member Bruce McAskill's Avatar
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    Besides what one gets in canister powders is NOT the same powder used by manufactures even if numbered the same.


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