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Thread: Need data for 38 special 170 grain Keith Boolit hunting load

  1. #1
    Boolit Buddy
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    Need data for 38 special 170 grain Keith Boolit hunting load

    Looking for a "bear" load for #358429 170 grain Keith style bullet. Lyman 49 lists two powders I have -Bullseye and Unique. I was wondering if anybody still uses slower powders with the heavier bullets? I have IMR 4227, 2400, 296.

    Which powder would be the place to start. Unique? Anyone have modern data for the slower powders?

    Gun can use +P.

  2. #2
    Boolit Grand Master


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    Had 357 on mind.......my bad.....
    Last edited by Larry Gibson; 11-27-2018 at 07:53 PM.
    Larry Gibson

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  3. #3
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    You didn't mention a rifle or handgun.

    Lyman CB 4th

    Last edited by Grmps; 11-28-2018 at 09:29 PM.

  4. #4
    Boolit Buddy zymguy's Avatar
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    I like 10.5 of 2400 crimped over the drivingband in a 357 case, NOT load data but the similarities in case volumn suggest it'd work.

  5. #5
    Boolit Buddy

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    sorry bad post

  6. #6
    Boolit Grand Master tazman's Avatar
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    The Hodgdon data site has load data for a 170 grain jacketed for +P 38 special using 4227. You might be able to figure something out from that

  7. #7
    here is some old loadsClick image for larger version. 

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  8. #8
    Boolit Master

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    Posts number 3 and 7 above illustrate just why having an assortment of printed BOOKS is so handy at times.
    ..

  9. #9
    Boolit Buddy

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    The Lyman 45th gives that 10.5gr 2400 load as max seated to the groove with a good firm crimp. that should do the job......

    That is with .38spl brass........
    Lyman 45th used S&W M-14 6in........
    Last edited by ddixie884; 01-02-2019 at 10:41 PM. Reason: OP said .38spl +P
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  10. #10
    Boolit Man Orchard6's Avatar
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    Might be a bit late to the party but I’ve been loading 6 grains of Unique under a 173 grain 358429 with pretty decent accuracy. It’s plenty stout and not recommended for anything less than a heavy framed .38 or .357 though.

  11. #11
    Boolit Buddy zymguy's Avatar
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    Need data for 38 special 170 grain Keith Boolit hunting load

    Quote Originally Posted by ddixie884 View Post
    The Lyman 45th gives that 10.5gr 2400 load as max seated to the groove with a good firm crimp. that should do the job......
    may be too long for some cylinders. It fits in my dads Blackhawk but not my Colt
    With 357 brass

  12. #12
    Boolit Buddy zymguy's Avatar
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  13. #13
    Boolit Grand Master Outpost75's Avatar
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    To the OP, it would help a GREAT deal to know what revolver you are shooting these in.

    In my Ruger Blackhawk and Police Service Six .38 Special I crimp #359429 in the normal crimp groove and load 11 grs. of Alliant #2400 or 12.5 grs. of IMR4227. These loads exceed industry +P standard by 15-20% and are NOT something you want to shoot in a K-frame S&W if you want it to last...

    If your revolver has a short cylinder and requires deep seating the bullet and crimping over the front band, DO NOT exceed 9 grains of Alliant #2400 or 10 grs. of IMR4227, in .38 Special brass which is full +P.
    The ENEMY is listening.
    HE wants to know what YOU know.
    Keep it to yourself.

  14. #14
    Boolit Buddy
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    Quote Originally Posted by Outpost75 View Post
    To the OP, it would help a GREAT deal to know what revolver you are shooting these in.

    In my Ruger Blackhawk and Police Service Six .38 Special I crimp #359429 in the normal crimp groove and load 11 grs. of Alliant #2400 or 12.5 grs. of IMR4227. These loads exceed industry +P standard by 15-20% and are NOT something you want to shoot in a K-frame S&W if you want it to last...

    If your revolver has a short cylinder and requires deep seating the bullet and crimping over the front band, DO NOT exceed 9 grains of Alliant #2400 or 10 grs. of IMR4227, in .38 Special brass which is full +P.
    Is that 10 grains of IMR 4227 the old Canadian version, cause that's what I have. Also this is an LCRX Ruger, so can take +p, tho won't be something I shoot in it regularly other than for load work up and sighting in . I have room in the cylinder for the bullet to be crimped in the crimp groove.

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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
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HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
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GC Gas Check