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New to loading for 338LM Questions

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  #1  
Unread 10-26-2008, 10:19 PM
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New to loading for 338LM Questions

I recently purchased a 338 lapua and plan to work up to 92 grains of H1000 over 300 matchkings in lapua cases and neck size as much as possible. What kind of brass life should I expect and should I anneal necks or will I have loose primers before the necks get brittle?

Thanks for any advice.

Wade
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  •   #2  
    Unread 10-26-2008, 10:40 PM
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    Re: New to loading for 338LM Questions

    I shoot 92 grain of H-1000 behind the 300 SMK and I have never loosened a primer pocket. I get 8 to 10 loading before the case splits in front of the head caused by case stretch
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      #3  
    Unread 10-26-2008, 10:48 PM
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    Re: New to loading for 338LM Questions

    What velocity are you getting and how long is your barrel?
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      #4  
    Unread 10-26-2008, 10:52 PM
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    Re: New to loading for 338LM Questions

    My barrel is 31/5" to the end of the brake and I get 2791 FPS
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      #5  
    Unread 10-26-2008, 11:35 PM
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    Re: New to loading for 338LM Questions

    My barrel is 26" plus the brake do you think H1000 will work well?
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      #6  
    Unread 10-26-2008, 11:42 PM
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    Re: New to loading for 338LM Questions

    Quote:
    Originally Posted by wadedc View Post
    My barrel is 26" plus the brake do you think H1000 will work well?
    Yes indeed, H-1000 is an excellent powder choice...
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      #7  
    Unread 10-26-2008, 11:44 PM
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    Re: New to loading for 338LM Questions

    Thanks for all your help.
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