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Accuracy issues with a custom 338 Laupa

 
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  #8  
Old 04-26-2014, 05:43 PM
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Posts: 71
Re: Accuracy issues with a custom 338 Laupa

Quote:
Originally Posted by WyoElk2Hunt View Post
My load is:
Lapua brass
Fed 215 Primer
90 grs H1000
300 gr Berger Hunting VLD
2875 FPS
COAL is 3.080
Works great for me.
What is your max COAL on that gun for the VLD or to the lands I mean? I'm almost a full inch off from your measurements? 3.850 for the OTMs and 3.790 for the SMKs on my rifle.
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  #9  
Old 04-27-2014, 01:09 PM
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Re: Accuracy issues with a custom 338 Laupa

Also have anyone seen big changes between Retumbo and H1000 or RL25?
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  #10  
Old 04-27-2014, 01:29 PM
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Re: Accuracy issues with a custom 338 Laupa

Quote:
Originally Posted by kdumph View Post
What is your max COAL on that gun for the VLD or to the lands I mean? I'm almost a full inch off from your measurements? 3.850 for the OTMs and 3.790 for the SMKs on my rifle.
My mistake my COAL is 3.800 not 3.080
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  #11  
Old 04-27-2014, 02:01 PM
den den is offline
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Re: Accuracy issues with a custom 338 Laupa

do you have your groups on that target documented to what groups are what ? seating depths, powder charges , bullet ect....
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  #12  
Old 04-27-2014, 04:15 PM
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Re: Accuracy issues with a custom 338 Laupa

I do the photo is all of SMK's, but the bergers had the same performance. The top right group of 6 were a ladder test at 3.950.
Moving left, 90gr at 3.950 (was the first load I tested when I was working with the bergers and had performed a tad better. So I loaded four.
Moving down, 89gr 3.979
Down Again, 89gr 3.974
Moving left, 89gr 3.969
Moving down, 89gr 3.958
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Accuracy issues with a custom 338 Laupa-photo.jpg  
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  #13  
Old 04-27-2014, 04:52 PM
den den is offline
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Re: Accuracy issues with a custom 338 Laupa

IMHO the top three of that ladder look promising to me if that is three different powder charges
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  #14  
Old 04-27-2014, 05:05 PM
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Re: Accuracy issues with a custom 338 Laupa

I want to say, one of those was a called flyer in that top three while shooting the ladder so I didn't pay it much heed.
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