powder selection

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  • Sarrsipius

    Plinker
    Rating - 100%
    3   0   0
    Mar 14, 2012
    88
    6
    North side of Indy
    Is it ok to use the LRN data for FMJ bullets? The only poweder it lists for 115gr FMJ is WSF. Thanks for the suggestions.


    It's right on the fricken Hodgdon website I linked;

    Bullet Weight (Gr.) 115 GR. LRN
    Manufacturer Hodgdon
    Powder Titegroup
    Bullet Diam. .356"
    C.O.L. 1.100"
    Min
    Grs. 3.9
    Vel. (ft/s) 1075
    Pressure 25,800 CUP
    Max
    Grs. 4.3
    Vel. (ft/s) 1151
    Pressure 30,500 CUP

    Sheesh.
     

    XtremeVel

    Master
    Rating - 100%
    21   0   0
    Feb 2, 2010
    2,380
    48
    Fort Wayne
    Is it ok to use the LRN data for FMJ bullets? The only poweder it lists for 115gr FMJ is WSF. Thanks for the suggestions.

    The Hodgdon's site is a great source for data. Another source I would recommend is the Lyman's #49. I always like to cross-reference when trying something new and also like a physical manual on the bench.

    BTW, the Lyman has data for most of the powders suggested here for a jacketed 115 gr.

    As for using LRN data for the jacketed... Steve already answered but I will add many PLATED manufactures actually recommend using the data for cast when using their bullets...
     

    Sarrsipius

    Plinker
    Rating - 100%
    3   0   0
    Mar 14, 2012
    88
    6
    North side of Indy

    kwatters

    Expert
    Rating - 100%
    5   0   0
    Aug 26, 2009
    1,104
    36
    Central Indiana
    I'm leaning toward either #2 or #5. What made you choose #2?

    I tend to load most of my rounds in lead or plated and toward the light end of velocity. Looking at the load data, #2 seemed more practical. For example:
    #2 No 2 124 BRY RN 3.8 922 4.4 1,042 34,237 1.160
    #5 No 5 124 BRY RN 5.6 977 6.3 1,104 34,132 1.160

    Both are fairly close in numbers for a 124 gr. Berry's plated but with #2 I can use almost 2 grains less powder for a sacrifice of only 55 fps in velocity.
    Lead was pretty similar with 3 gr. of #2 or 4.7 gr. of #5 with #5 giving 50 fps better velocity.
     
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