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H4350 and Cast?

Discussion in 'Handloading and Reloading' started by RPRNY, Feb 6, 2013.

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  1. RPRNY

    RPRNY Member

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    I am familiar with loading cast in 45LC and 357 Mag / Max but have only used jacketed bullets in various rifle calibers previously. I recently purchased a sporterized '96 Krag (Bubba actually did a very nice job on this one, including a new - @ 1958 - 1:10 barrel that slugs a true .308) and will load cast for it, using the Lyman 311284 210 gr at BHN 22. I am looking for 1800 - 1850 fps MV.

    I was intent on using H4350 as a nice slow burner that would help keep pressures down. But now I am concerned by repeated references to people's pet loads all using relatively fast powders like 4227 SR4759, 3031 and 4895. With a 22" barrel, I may not get absolute full burn, but I'm not after 2000 + velocities with cast and want to keep chamber pressure mellow.

    So, is H4350 too slow and a bad idea, or is it just a matter of personal preference?

    With the greatest of respect, I am not soliciting pet loads. What I really want is affirmation that 4350 will be fine or a well-reasoned explanation as to why it is a bad choice.

    Thanks very much.
     
  2. rcmodel

    rcmodel Member in memoriam

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    It is too slow.
    I doubt you will ever find a load for cast bullets using it.

    Lyman #49 shows 30-40 Krag 210 grain cast bullets loads.
    But Varget is the slowest powder they show data for.

    I have no facts as to why.
    But I imagine it is because a grase lubed cast bullet slips through the bore so easily slower powders will not get a clean uniform burn going.

    Was it me?
    I'd get some IMR-4198 and call it good.

    rc
     
  3. BruceB

    BruceB Member

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    NO, 4350 is NOT too slow for the .30-40.... nor is it too slow for cast loads in .32 Special, .30-30, .303 British, .30'06, and a host of other cartridges.

    For solid info about all sorts of cast-bullet shooting, go to

    www.castboolits.gunloads.com

    and, for a good article on cast .30-40 loads, go to

    www.lasc.us/FryxellCB30-40krag.htm

    You will note he mentions H4831 in that article...even slower than 4350.

    Many powders work well in this cartridge, and the mentioned 4198 is also one of my favorites.
     
  4. RPRNY

    RPRNY Member

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    Bruce,

    Thanks very much for the very useful links. Looks like 4350 and cast in the Krag is loved by some and scorned by others. What's new in the gun world ? ;)
     
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