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Reloading Question 30-06

 
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  #8  
Old 04-18-2012, 05:37 PM
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Re: Reloading Question 30-06

Is it feasable to get sub MOA groups out of this combo just by changing the seating depth and charge weight?
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  #9  
Old 04-18-2012, 06:17 PM
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Re: Reloading Question 30-06

Quote:
Originally Posted by reelamin View Post
H414 of the "new" stuff or good old IMR4350 over a mag primer! Somethings are better left unchanged and I always start with the 4350 in a 06.
Note that when the .30-06 was "the" round for high power rifle matches, IMR4064 gave best accuracy and was the favorite with 180 grain and lighter bullets. IMR4350 worked well with 190's and heavier. While IMR4350 usually shoots most bullets the fastest, one has to decide whether its important to win the race to the target or put all the bullets closest together on the target.
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  #10  
Old 04-18-2012, 07:24 PM
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Re: Reloading Question 30-06

Here article on 30-06

Rem 40XL: .30-06 Long Action

Here is another

http://www.6mmbr.com/gunweek091.html
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  #11  
Old 04-18-2012, 07:45 PM
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Re: Reloading Question 30-06

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Originally Posted by scsims View Post
Is it feasable to get sub MOA groups out of this combo just by changing the seating depth and charge weight?
Have you tried a different bullet? I had pretty good luck with IMR-4350 using Hodgdon data with 165gr AB bullet worked up from 56gr to 60gr/IMR-4350 it was in Factory Rem 700 24" barrel. I have rebarrel rifle still a 30-06. Well good luck
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Old 04-18-2012, 08:50 PM
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Re: Reloading Question 30-06

My go to for hunting or paper is in win brass, slight shoulder bump, 59.5grns H4350 compressed, CCI BR2 primer, 168 amax, .010" in the lands. Shoots 4/10s any day out of my vanguard sub moa, runs at 2938fps avg with an 8fps ES and is easy on cases.
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  #13  
Old 04-18-2012, 10:43 PM
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Re: Reloading Question 30-06

Quote:
Originally Posted by TOM H View Post
Well written and excellent information in both. There are a few caveats readers need be aware of.

First, few folks will notice the leade angle in the Rem. 40XL rifle's chamber is not the original SAAMI spec one of about 2.5 degrees. It's 1.5 degrees; about the same as the .308 Winchester and nowadays the .30-06 SAAMI spec's the same angle. Back in the 1960's when the .308 was first used in competition, its' 1.5 degree lead angle was a major reason it shot much more accurate than the .30-06 match rifles with a 2.5 degree leade angle.

Second, the RT10 article mentions a 4000 to 5000 barrel life with the .30-06 cartridge. That's a lot longer than what top high power competitors got up through the mid 1960's. Barrel life was typically about 2500 rounds and the best shots would notice a slight loss of accuracy at about 1500 rounds. The .308 Winchester barrels made with the same way went for about 2000 rounds before a very slight loss of accuracy was observed but went for a total of about 3000 rounds before needing replaced. Of course, those who didn't shoot either cartridge as accurate as the top master class folks did would get more apparent barrel life before noticing any loss of accuracy.
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  #14  
Old 04-19-2012, 09:56 PM
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Re: Reloading Question 30-06

Quote:
Originally Posted by scsims View Post
Is it feasable to get sub MOA groups out of this combo just by changing the seating depth and charge weight?
Scott,
It is possible to get it better by seating the bullet just off the lands and load up five shot loads in .5gr. increments to find the sweet spot for this particular load. I this doesn't work, may want to try a different powder. I always has good luck with IMR 4064 and IMR 4350 with 165 gr., but my rifle doesn't like boat tails, it shoots flat base bullets better.
FE
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