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338 lapua improved

 
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  #1  
Old 03-12-2010, 11:18 PM
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338 lapua improved

I have been looking at buying a 338 lapua improved, would you go with a 40 degree shoulder of 50 degree. thanks.
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Old 03-13-2010, 12:16 AM
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Re: 338 lapua improved

Quote:
Originally Posted by 300spanker View Post
I have been looking at buying a 338 lapua improved, would you go with a 40 degree shoulder of 50 degree. thanks.
37.5 degrees is about optimum but 40 degrees would be my second choice.

The reamer makers will make what ever you want.

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Old 03-13-2010, 06:11 AM
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Re: 338 lapua improved

40 degrees or less.
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Old 03-13-2010, 11:27 AM
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Re: 338 lapua improved

thanks for the posts. in my original post i mean't to say 40 or 50 degree shoulder is best? What type of speed with a 338 improved push a 300 grn. smk. if i had a 28.5 inch barrel. thanks.
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Old 03-13-2010, 11:39 AM
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Re: 338 lapua improved

I did one right after the lapua case came out with the 37.5 degree shoulder and the shoulder moved forward just a bit. In a 28" Hart barrel with 1-10 twist it maxed out at 2950 fps with the 300 smk. It got excellent accuracy in the 2900-2950 fps range. Unfortunately it shot to good and I was offered to much money for it so I don't have it anymore opting to stay with my faster 338-378 wby's. The improved lapua is a very good choice for a big 338 if you have an action for it.
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