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338 edge load questions

 
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  #22  
Old 03-26-2013, 11:36 AM
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Re: 338 edge load questions

Thanks.
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  #23  
Old 03-30-2013, 10:39 PM
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Join Date: Dec 2012
Posts: 400
Re: 338 edge load questions

Ok I had some chances to play a little. I was shooting 91.5 grains of h1000 with the 250 primer and 300 berger. Shot tremendous even at 1827. Then the next day I went back to shoot for some video. And was high with the same conditions as the night before. Then the groups opened up. So I went back to the drawing board. One load stood out in my mind that was 88.5. I decided to test this load along with 89.0 gn

So In the mean time I put together another edge with a shorter barrel. The other one I believe finished at 29+ the brake. I stuck it in a hs precision stock and had a 20 moa rail and a huskemaw that I stuck on it. This gun was not bedded but has a hollad oversize recoil lug in it. It fit very snug.
I also finished a 6.5-284 that I was playing with as well tonight. I will show you a target of it as well. It shows some promise.

What I found tonight was weird both guns shot the exact same groups and same group formation. I was dumbfounded by it. But here is what happened.

I do have to say that the short barrel need a stick of mercury it is light and has alot more recoil.
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  #24  
Old 03-30-2013, 11:01 PM
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Re: 338 edge load questions

I did not note but what I have seen before noticed in my records happened again I believe. I had 63 rounds through this gun when the groups changed. I had this happen once before at 55 rounds. So I wonder if the barrel really just broke in. And on this edge I stuck 8 ounces of mercury in it. Was 12.25 pounds before the mercury.
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