300 RUM total length
#1
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Join Date: Aug 2003
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Posts: 35
300 RUM total length
I know the recommended total overall length for the 300 RUM is 3.600 in, but is it ok to have them at 3.606in? They chamber in my rifle without being marked by the rifling. Should I sink the bullets a little to be safe?
#2
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RE: 300 RUM total length
A 300RUM has so much freebore, you can probably go up to 3.77" and not touch the rifling. So what I do is load as far as I can and still fit the shell in the gun. Which is 3.63". Believe it or not, your velocity/pressure will probably go down some by going from the standard 3.57" (factory) to 3.63".
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Mathewsboy
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07-22-2004 09:02 AM