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10mm powder weight for 155gr hsm plated flat nose

Discussion in 'Ammunition & Reloading' started by FOWELKILLER, Jan 4, 2015.

  1. FOWELKILLER

    FOWELKILLER buckley ,wa Member

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    hey guys and gals im new to this site but not new to rolling my own.my question is where i can find or if you know a safe charge weight for for 155gr plated flat nose hsm boolits using power pistol or tight group.i just got my first 10mm i havnt reloaded for one yet so any tips would be great.these loads are just for plinking/break in.just havn a hard time finding loads for either of the powders i have in that bullet weight under cast lead velocity.or should i start with max 40sw load data under that weight and powder type for 10mm?thanks for the help and happy shooting.
     
  2. FOWELKILLER

    FOWELKILLER buckley ,wa Member

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    ok just picked up 2 pounds of longshot anybody used this in 10mm with 155gr flat nose.thanks:(
     
  3. Benchrest

    Benchrest The Desert Planet Well-Known Member

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    I'd be inclined to use Hodgdon's 155gr starting load, but that's just me ;)
     
    Steve M likes this.
  4. SinisterSouthpaw

    SinisterSouthpaw SW WA Active Member

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    Use load data for lead bullets of similar design and weight and you will be ok. Alternatively, if you can't find that data for some reason, try loading 10% lighter than jacketed bullets of the same design and weight, never approaching max load. Both of those methods have been posted on plated bullet maker's websites for years. HSM is redesigning their website....again...and that disclaimer is absent for now.
    A third alternative is to buy this program http://www.neconos.com/details3.htm which many of us have found to be well worth the money.
     
    Last edited: Jan 7, 2015
    Benchrest likes this.
  5. scrandall01215

    scrandall01215 Washougal,WA Well-Known Member

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    SinisterSouthpaw-

    Thanks for the info on the ballistic program. I'll be buying it soon.

    Stacy
     
  6. Benchrest

    Benchrest The Desert Planet Well-Known Member

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    I 2nd this. And third it, and fourth it...

    [QUOTE="SinisterSouthpaw, post:
    A third alternative is to buy this program http://www.neconos.com/details3.htm which many of us have found to be well worth the money.[/QUOTE]
     
  7. Reno911

    Reno911 Hillsboro Well-Known Member 2015 Volunteer 2016 Volunteer

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    Go get yourself a good manual. Sierras book has tons of recipes using many different powders in comparison to Hornady's or others reloading books.

    10mm likes slower powders with heavy boolits. The lighter stuff you can use pretty much any pistol powder.

    Once I get home I'll see what I have in the books for 155 grain plated rounds.
     
  8. FOWELKILLER

    FOWELKILLER buckley ,wa Member

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    thanks everybody for the info ill have to check a sierra book as it is the only one i dont have.
     
  9. Reno911

    Reno911 Hillsboro Well-Known Member 2015 Volunteer 2016 Volunteer

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    Sierra hasn't got data for anything in the 155 grain for 10mm. I didn't find anything using long shot till it got to 180 grainers.
     
  10. Reno911

    Reno911 Hillsboro Well-Known Member 2015 Volunteer 2016 Volunteer

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    I would compare powder burns. If it is similar to another powder burn rate wise, you could work up something.
     
  11. Benchrest

    Benchrest The Desert Planet Well-Known Member

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    No too sure I'd take that route...

    Similar burn rates are similar, not the same.
     
  12. FOWELKILLER

    FOWELKILLER buckley ,wa Member

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    ya i think i will save the longshot for the real loads and burn up the power pistol.its just so hard to find pistol powder i hate to use the powder i use for 9mm for idpa uspsa
     
  13. Benchrest

    Benchrest The Desert Planet Well-Known Member

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    Well, here's Hodgdon's data for the loads they do list:

    longshot_zps26e58390.jpg

    I guess you could extrapolate.

    I could model it up in QuickLOAD, but it would be for "illustration only" ;)
     
  14. FOWELKILLER

    FOWELKILLER buckley ,wa Member

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    not sure what extrapolate meanso_O but would love the illustration,i need to try quickload never messed with it before,but ive heard alot of people talk about it.probably great for obsolete stuff.thanks for the help.
     
  15. Benchrest

    Benchrest The Desert Planet Well-Known Member

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    Are you certain they're 155gr?

    Was searching the interwebs for bullet length, was only able to find 165gr & up.
     
  16. FOWELKILLER

    FOWELKILLER buckley ,wa Member

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    yea im a n idiot got home today to set up my new bullet feeder lokked up at the box of bullets and a big ol 165 caught my eye.so your research was correct.on another note i picked up 2 more pounds of powder longshot and wsf.do you know if wsf is any good.
     
  17. Benchrest

    Benchrest The Desert Planet Well-Known Member

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    OK, I'll delete the post above with 155gr data - will repost with 165gr.

     
  18. Benchrest

    Benchrest The Desert Planet Well-Known Member

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    Actually, can you just measure the bullet length
     
  19. FOWELKILLER

    FOWELKILLER buckley ,wa Member

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    benchrest the length is.530 thanks for all your help.
     
  20. Benchrest

    Benchrest The Desert Planet Well-Known Member

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    For amusement only, use published data.



    10mm-longshot1_zpsc1524089.jpg

    10mm-longshot2_zpsf91c2caa.jpg