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Substitute for H450?

Discussion in 'Handloading and Reloading' started by hotajax, Dec 13, 2010.

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  1. hotajax

    hotajax member

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    Aug 21, 2010
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    Eastern PA
    I worked up some pretty sweet loads in my .243 using this powder and a 70 grain Match bullet. I know the powder is no longer available. Is there any other powders that are close in burning rate? Have not reloaded in a while...
     
  2. 243winxb

    243winxb Member

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    243 Winchester

    Here is a burn rate chart. http://www.reloadbench.com/burn.html I use IMR 4350 & Sierra 70 gr match bullet with good results at maximum loadings. But IMR 4350 is on the slow side for this bullet weight/caliber. A powder thats a little faster, might be a better choice. The Berger 68gr flat base did produce some 5 shot groups under 1" @ 300 yds with IMR4350
     
    Last edited: Dec 13, 2010
  3. nastynatesfish

    nastynatesfish Member

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    Look into varget. I was running a 87gr vmax with 42 grains and it was a good combo
     
  4. Kernel

    Kernel Member

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    Reloader 19 is close.
     
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