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Thread: Anyone reload .223 with IMR 4064?

  1. #1
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    Question Anyone reload .223 with IMR 4064?

    i have a bunch of this for reloading .308.

    i think i have seen one recipe calling for 25.8 grains of IMR 4064 (+Remmy 7.5 primers) to push a 55 gr fmj bullet.

    any thoughts before i try it out on some older powder? will be shooting it out of a standard (civilian legal) carbine length m4.

    thanks.

    -slut
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  2. #2
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    Quote Originally Posted by 30 cal slut View Post
    i have a bunch of this for reloading .308.

    i think i have seen one recipe calling for 25.8 grains of IMR 4064 (+Remmy 7.5 primers) to push a 55 gr fmj bullet.

    any thoughts before i try it out on some older powder? will be shooting it out of a standard (civilian legal) carbine length m4.

    thanks.

    -slut
    I have no experience with it but that is a comparatively slow powder. It won't be ideal with 55gr slugs. If it works with 223, the 7x grain slugs would be a better candidate.

    It is (or at leased used to be) the 308 gold standard though.
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  3. #3
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    It's listed in the Sierra manual for 55 - 80 grain bullets; velocities are on the low side compared to more common .223 powders.

    I once used 4064 for 7.5 Swiss, but never for .223. I hate the stuff due to the large size grains and poor metering.

  4. #4
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    interesting. thx.
    Doing my part to keep malls safe

  5. #5
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    Yes I've used IMR4064 in .223 and I agree with Shootist it's a little slow, fair accuracy seemed to do better with 70+ gr bullets!

  6. #6
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    Quote Originally Posted by 30 cal slut View Post
    i have a bunch of this for reloading .308.

    i think i have seen one recipe calling for 25.8 grains of IMR 4064 (+Remmy 7.5 primers) to push a 55 gr fmj bullet.

    any thoughts before i try it out on some older powder? will be shooting it out of a standard (civilian legal) carbine length m4.

    thanks.

    -slut
    I'd save the 4064 for the long range bolty sticks and go with the more traditional AR loads using any number of the better suited propellants.
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  7. #7
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    I'm not sure I would even try to use it with 55gr, its just so grainy it doesn't go well in a 223 case. I have used it once because it was the only powder that would light some old 63gr m856 tracer pulls I had. Its not efficient in 223 but it lit the stink out of those old tracers.

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