Substitute for H450?


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hotajax
December 13, 2010, 07:28 AM
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...

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243winxb
December 13, 2010, 07:59 AM
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

nastynatesfish
December 13, 2010, 11:34 AM
Look into varget. I was running a 87gr vmax with 42 grains and it was a good combo

Kernel
December 13, 2010, 02:52 PM
Reloader 19 is close.

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