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Good twist rate for .300 WM?

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  #1  
Unread 01-25-2009, 09:54 PM
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Good twist rate for .300 WM?

What's a good twist rate for a .300 WM if you're wanting to shoot heavier grain bullets?

If you get a twist rate that suits a 200gr bullet, will you get a cruddy group with a lighter round- like a 150gr? How bad will it be?

My brother and I are wondering what barrel twist to look for in a .300 WM if he wants to shoot both ends of the spectrum.

Sorry for the newbie question, but I guess that's how you learn.
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  •   #2  
    Unread 01-25-2009, 10:02 PM
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    Re: Good twist rate for .300 WM?

    I think you would be plenty happy with a 1 in 10 twist for both.

    Jeff
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      #3  
    Unread 01-25-2009, 10:21 PM
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    Re: Good twist rate for .300 WM?

    Quote:
    Originally Posted by Broz View Post
    I think you would be plenty happy with a 1 in 10 twist for both.

    Jeff
    Jeff-

    I was looking at a used Sendero in the classifieds and it has a 1 in 12 twist and the guy says it's a 'tack driver' with 168gr but not nearly to the same degree with 210gr. Does less twist favor a lighter bullet?

    What do y'all think of a .300 WM with a 26" 1 in 12 fluted barrel? It has a bedded action in a McMillan stock and the current price is $750. Is that a good deal for a used rifle in good shape?
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    Unread 01-29-2009, 10:33 PM
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    Re: Good twist rate for .300 WM?

    I would have to agree on the 1 in 10. Generally you want to go with the twist rate best suited for the heaviest bullet that you plan to shoot. Although there can be some other factors to consider. I highly recommend checking out something like the lilja site and going to their FAQ page to get some great info.
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      #5  
    Unread 01-29-2009, 10:52 PM
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    Re: Good twist rate for .300 WM?

    Broz is right on. The 1-10 is the best for both. The 1-12 would not be good for the 200. I agree with all. Twist for the heaviest bullet you plan to shoot and it will shoot the 150. If you are shooting the 150 do a 1-14 twist. But it will not shoot the 200.
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      #6  
    Unread 01-29-2009, 11:14 PM
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    Re: Good twist rate for .300 WM?

    i have a friend that has a 60 lb long range gun with an 8 twist. he shoots the 300SMK's which will stabilize with a 11 twist. last summer he put 6 shots in a .086 group at 100 yards. most seem to be able to get great accuracy by spinning the bullet way too much. but don't spin them even a little bit less than what they need.
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    Unread 01-29-2009, 11:33 PM
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    Re: Good twist rate for .300 WM?

    10x is a bit steep for my taste. 11 will handle any 210 and 220 with ease and wont be too hash with the 150's either. If you want to go over 220, then go with the 10x.

    BTW, a 12x will stabilize a 200 AB just fine.
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