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leadcast max load question

Discussion in 'Handloading and Reloading' started by sonier, Aug 5, 2010.

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  1. sonier

    sonier Member

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    Location:
    Westcliffe Co.
    357 magnum using 158 grain leadcast, is there any other drawbacks to using powder such as H-110 at max charges, besides leading?
     
  2. USSR

    USSR Member

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    Finger Lakes Region of NY
    The thing with H110 is, you cannot download it very much. 2400 is THE powder for heavy lead bullets in the .357 Magnum.

    Don
     
  3. sonier

    sonier Member

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    yea im not asking if i can download it, IM asking if there is any other downsides to sending leadcast bullets at very high velocitys. The only thing ive heard bad is leading.
     
  4. MissouriBullet

    MissouriBullet Member

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    Not H-100 (Blue Dot, instead), but here's a range report that was posted to our website by one of our customers which reports his .357 loads, some of which are rather warm and which did not cause the leading problem you refer to:

    here is my data for 357 mag, u might find it useful
    all loads are using BlueDot powder and Small Mag pistol Primers and 158 grain bullets from http://www.missouribullet.com/

    these loads do not lead even at max loads!
    all loads will print about a inch at 20 yards
    all numbers based on 6 shot groups
    Blue Dot Loads in S&W Highway Patrolman

    grains vel enegry es
    9.0 1147 461 95
    10.0 1206 510 88
    10.5 1274 569 37
    11.0 1308 600 30
    11.5 1343 633 47
    12.0 1385 672 75
    12.5 1410 698 38

    Blue Dot Loads in Ruger Blackhawk

    grains vel enegry es
    9.5 1263 560 51
    10.0 1308 600 56
    10.5 1364 652 70
    11.0 1399 687 40
    11.5 1444 731 59
    12.0 1519 809 47
    12.5 1541 833 31

    on a graph the velocity is very linear, while the ES's show a nice curve with 11.0 being the choice load so we shoot it as our everyday load. not a really light load, but not full house. very shootable, we go though 200 per gun a session.
    *****

    Hope this is helpful.

    Brad
     
  5. sonier

    sonier Member

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    Location:
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    That deffinately helped some of those velocitys were very similiar to what i was attempting to replicate. I was just cautious that maybe the gas would go aroudn the lead bullet in the barrel. This would then cause maybe a nasty bulge in the barrel or such. I am just being careful before I load me some anti cougar/bear rounds.
     
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