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Best powders for .270?

 
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  #8  
Old 01-23-2013, 09:33 AM
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Join Date: Apr 2012
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Re: Best powders for .270?

I use imr4350 for the 90 to the 110 grain bullets and even the 115-120. I use H4831sc for the 130 which some what a standard in the 270. I have experimented with MagPro in the 135 and up bullets and had great success and am getting good velocities with the 140 Bergers using MagPro. That is what I have used hope this helps.
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  #9  
Old 01-23-2013, 10:37 AM
ntg ntg is offline
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Re: Best powders for .270?

I've played with I and H 4831 and RL22 all in 140 gr bullets. The H4831 was the best. Every rifle has it's own "character", if you will. It's best to try a few combos and see what works best for yours. It helps if you have some reloaders around you as you'll usually be able to get some willing to give you a small amount of a powder to try it out. That's how I was able to try a few powders w/out having to buy a whole pound.
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  #10  
Old 01-23-2013, 01:12 PM
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Join Date: May 2010
Location: Crystal Springs, MS
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Re: Best powders for .270?

Quote:
Originally Posted by ntg View Post
I've played with I and H 4831 and RL22 all in 140 gr bullets. The H4831 was the best. Every rifle has it's own "character", if you will. It's best to try a few combos and see what works best for yours. It helps if you have some reloaders around you as you'll usually be able to get some willing to give you a small amount of a powder to try it out. That's how I was able to try a few powders w/out having to buy a whole pound.

I found that H4831 worked best in my .270 also, using 140Gr Bergers.
Shoots awesome out to 600yds.. or atleast it use to
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  #11  
Old 01-23-2013, 11:30 PM
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Join Date: Dec 2011
Location: Shell, Wy
Posts: 34
Re: Best powders for .270?

Thanks for all the help!

One last question.

Well, ok- for now, anyway....

Are some powders more temperature stable than others? I shoot in temps from below zero to above 100, so that may be something to look at, too....

Thanks again for the help!!!
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  #12  
Old 01-23-2013, 11:45 PM
Edd Edd is offline
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Re: Best powders for .270?

Hodgdon Extreme powders are supposed to be temperature stable. H4831 is one of them.
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  #13  
Old 01-24-2013, 07:55 AM
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Re: Best powders for .270?

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Originally Posted by Edd View Post
Hodgdon Extreme powders are supposed to be temperature stable. H4831 is one of them.
I put about as much stock in the temp. stability being better from Hodgdon thing as groundhog day. I've seen 100 fps swings from h 4895(another one of their temp. stable powders) so I've stopped even thinking they may be better.
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  #14  
Old 01-24-2013, 08:46 AM
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Re: Best powders for .270?

H-4831 and the 270 Win go together like ice cream and apple pie.

NO the 4350s are not all the same. Use the data for which ever one you will be using. IMR and AA are pretty close but H4350 is much different in my experience.
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