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Why did Berger change their twist rates?

 
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  #1  
Old 08-19-2009, 09:08 PM
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Why did Berger change their twist rates?

When I had ordered my rifle, Berger's recommended twist for a 130gr 6.5mm VLD was 1 -9". Now it's 1 -8"? How often were the 130's not working in the 1 - 9" to need the increase in the recommended twist?
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  #2  
Old 08-19-2009, 10:22 PM
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Re: Why did Berger change their twist rates?

Quote:
Originally Posted by Siso View Post
When I had ordered my rifle, Berger's recommended twist for a 130gr 6.5mm VLD was 1 -9". Now it's 1 -8"? How often were the 130's not working in the 1 - 9" to need the increase in the recommended twist?
I'm not sure why they should /would change the rate of twist for the 130gr bullet
because the recommended twist for the 6.5 is 120gr=1 in 10, 140gr = 1 in 9 twist,and
anything over 140gr should need a 1 in 8 twist.

I don't think you will have any problems with the 1 in 9 twist at all . in fact I think you chose
the right twist for your barrel. and the 120s,130s,and 140s should do well.

Just My opinion

J E CUSTOM
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  #3  
Old 08-20-2009, 09:54 AM
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Re: Why did Berger change their twist rates?

I have an old box of 140 grain Berger 6.5's and they say 1 in 9 twist or faster with a .640 BC. I also have a new box of 140's that say 1 in 8 twist or faster with a .595 BC. So I guess they have changed their suggested barrel twist.
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Old 08-20-2009, 03:32 PM
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Re: Why did Berger change their twist rates?

Berger really missed me up on this.

I ordered a 1/9 barrel to shoot 6.5 140's and bought 500 bullets to start me out with.
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  #5  
Old 08-20-2009, 11:08 PM
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Re: Why did Berger change their twist rates?

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Originally Posted by su37 View Post
Berger really missed me up on this.

I ordered a 1/9 barrel to shoot 6.5 140's and bought 500 bullets to start me out with.

I still think you will be OK with the 1 in 9 twist especially if your velocity is in the upper
range of the 6.5.

J E CUSTOM
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  #6  
Old 08-20-2009, 11:15 PM
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Re: Why did Berger change their twist rates?

I wish, they aren't working out.
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  #7  
Old 08-23-2009, 10:37 PM
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Re: Why did Berger change their twist rates?

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Originally Posted by su37 View Post
I wish, they aren't working out.
Sorry to hear that !!!!!!!!!

You may have to cut your losses and switch to a conventional bullet .

Try a 130 gr accubond and I think you will be pleased.

Just in case there is another problem keep the Berger's until you are happy with another bullet
and then sell the Berger's.

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