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Thread: What to do with AA4064?

  1. #1
    Boolit Mold
    Join Date
    Aug 2017

    What to do with AA4064?

    I recently acquired 8 pounds of this powder and cannot find much loading info on it, other than for 325 Winchester Short mag. Does anyone have any info to share? Info for IMR 4064 seems to be everywhere.

  2. #2
    Boolit Buddy
    Join Date
    Dec 2005
    Accurate puts out a pamphlet with their powders listed for different calibers. Should be
    available t your local gunshop. Or call accurate and ask for their loading data pamphlet.

  3. #3
    Boolit Master

    Kraschenbirn's Avatar
    Join Date
    Dec 2006
    East Central IL
    Funny, I went to the Accurate Website ( ) and...Lo and Behold!...there was icon for Accurate Data Version 6.0 right at the top of the page. Provides extensive load info for almost ALL medium-capacity calibers.

    "I'm not often right but I've never been wrong."

    Jimmy Buffett
    "Scarlet Begonias"

  4. #4
    Boolit Buddy
    Join Date
    Aug 2015
    I would work from the IMR 4064 data if I had nothing else.Apparently AA4064 is slightly slower burning than IMR 4064

  5. #5
    Boolit Master
    Join Date
    Jun 2010
    Quote Originally Posted by KenT7021 View Post
    I would work from the IMR 4064 data if I had nothing else.Apparently AA4064 is slightly slower burning than IMR 4064
    Don't do that. Many powders share a number and the burn rates and properties are so different that it's actually dangerous to swap load data. A good example of this is VHt110 and H110. Use the actual data and keep all ten fingers and both eyes.

  6. #6
    Moderator Emeritus

    Join Date
    Mar 2005
    SW Montana
    15+ years ago when something similar happened to me the Tech told me to use AA2520 starting data. It was a newer powder then and not a lot of info was out on it. As is IMR 4064 it is great in 308 based cases.
    [The Montana Gianni] Front sight and squeeze

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check