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  • 5 Post By Pommy
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Thread: Is RL25 equivalent to AR2225 / 270wsm Load Advise

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  1. 02-05-2023, 03:09 PM #2
    Pommy
    Pommy is offline
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    They're not equivalents in the same way that AR2225 and Hodgdon Retumbo are literally the same powder. Alliant make their own - it's not rebranded ADI powder.

    ADI's chart is indicative of what powders from other manufacturers have *similar* burn rates - but that doesn't mean you can use AR2225 data for RL25.

    I believe the "proper" thing to recommend is that you reduce the Alliant data that you found by 10% for your starting load. Split the difference between 140 and 150 for the 145's max charge.
    tetawa, shift14, Micky Duck and 2 others like this.
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