powders

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ronboy · #1 Post by **ronboy** » Sat Oct 08, 2011 4:30 pm

Hi all, Iv'e tried 3 different powders in my 45 rifle and each prints a different group size, all at approximately the same muzzle velocity. If a lead thing comes out of the tube thing,at the same velocity. I assumed they would print the same group size. Perhaps someone could enlighten me.

#2 Post by **dodgyrog** » Sat Oct 08, 2011 8:06 pm

Welcome to the world of reloading - it really is a black art.
Start changing the lead mix from the same mould and see the difference in the results!

#3 Post by **dromia** » Mon Oct 17, 2011 6:43 pm

ronboy wrote:Hi all, Iv'e tried 3 different powders in my 45 rifle and each prints a different group size, all at approximately the same muzzle velocity. If a lead thing comes out of the tube thing,at the same velocity. I assumed they would print the same group size. Perhaps someone could enlighten me.

Burn rates.

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