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RCBS UNIFLOW POWDER MEASURE

floorguy24
I've seen both a large and small cylinder available for this unit, but I'm not sure if I can use either the large or small cylinders for loading 44 mag pistol loads.

I'm assuming the small cylinder is the only one that will work, but am I wrong? Can the large one be used as well?
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3 comments

Date Votes
  • jonk
    Yes, you can use the large cylinder for some charges. Once you hit about 10 grains of powder the large cylinder will work fine. Depends on the powder though, really fluffy powders like low loads using Trail Boss you could do just fine with, dense powders like Bullseye, not so much.

    You didn't specify which .44 magnum you are using, but we'll presume it is the revolver and not the .44 mag auto. For instance, 25 gr of 4227 with a 210 gr bullet would do just peachy with the large cylinder. 9 gr of Universal with the same bullet would probably require the small cylinder. Etc.
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  • floorguy24
    You're right, I forgot to mention 44 mag revolver.

    Sounds like I need the smaller cylinder.

    Thanks for the help!
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  • Rocky Raab
    The hole in the "Pistol" cylinder is smaller, so the powder settles into a longer and narrower column. That is more accurate because the area that is "wiped" when you rotate the cylinder is smaller.

    If you try to measure small charges with the Rifle cylinder, you end up with a very broad but very shallow reservoir for the powder. Uneven clumping and poor consistency is the result.
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