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Barrel Twist Rate

 
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  #1  
Old 09-30-2009, 01:36 PM
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Barrel Twist Rate

Hey Fellars, What barrel twist is best for .300 mag.,using 180-200gr. bullets? Thanks, Dskiper
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Old 09-30-2009, 02:41 PM
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Re: Barrel Twist Rate

Most will say 1-10, but you can also run the 1-11 quite easily also. That is the go to twist for the WSMs with 210s so sure the win mag will run them also.

BH
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Old 09-30-2009, 08:30 PM
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Re: Barrel Twist Rate

10 or 11....either would probably serve you well.
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Old 09-30-2009, 09:03 PM
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Re: Barrel Twist Rate

If you are sure you will never want to shoot heavier than 200, I would go with the 11. Chance for accuracy is better.......Rich
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  #5  
Old 10-01-2009, 04:13 AM
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Re: Barrel Twist Rate

I've never shot a 200gr bullet out of 1/11 twist barrel so cann't say how the velocity compares to the 1/10 twist barrels. Years ago build a 30-338mag (338mag case) used a 1/12 twist barrel just to shoot the 165gr bullets later had another one build used a 1/10 twist barrel for the 180/200gr bullets.

Had a 30-06 with 1/10 Kreiger barrel and it was alittle faster than the 1/11 twist barrels (Lilja/Bartlein) using the same loads 180gr bullets and the 1/11 twist were faster with 165/168gr bullets.

I'm always playing around with twist myself I'd use a 1/10 twist for the 180/200gr bullets. Well good luck
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  #6  
Old 10-01-2009, 05:34 AM
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Re: Barrel Twist Rate

1:10 twist
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