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Old May 22, 2006, 08:50 AM   #1
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30-06 reloads

I have been having some trouble getting my mauser 30-06 (18 inch barrel)to get tight groups, currently i was loading up some sierra 168 gr btsp match bullets with a wide arrange of charges of imr4064. Now i was thinking about using 180gr hornady spitzers with charges of imr4831. my hornady manual says that powder is very good with a 30-06 that has a 22 inch barrel. but my concern is does the shortness of my barrel have any effect on the burning of that particular powder. and is there a powder made for short barrels or am i just thinking too much on this one?
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Old May 22, 2006, 11:24 AM   #2
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I'd stick with fairly fast rifle powders in the range of 4064, not because of accuracy or velocity, but because of muzzle flash. At dawn or dusk, the flash from a .30-06 charge of 4831 in an 18" barrel is going to be horrendous.

If you are not getting reasonable accuracy, say under 2 MOA, you are more likely to have rifle problems than load problems. Crown is the first place to check and bedding the second.
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Old May 22, 2006, 02:31 PM   #3
Join Date: February 1, 2006
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I agree with DJ that its worth checking the crown and barrel channel to make sure the stock is not putting pressure on the barrel. That being said I have had guns that would not shoot certain types or weights of bullets at all, while another weight would group fine.

If it wont shoot the boattails well try a flat base bullet, if it won't shoot the 165's well, try a 150. My own 30-06 will absolutely not shoot anything over 165 grains worth a darn, factory or handloaded. It will group 150-165gr range well though.

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