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6.5 sherman shortmag field test

 
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  #1  
Old 06-18-2013, 02:57 PM
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6.5 sherman shortmag field test

Finally got the SS up and running and am currently breaking in the barrel. I did shoot a couple of groups and need to do a lot of playing yet but started with a couple of loads I thought might work. It looks like it has some potential! My chrono is on the fritz but based on "Bigngreens" testing, I estimate these loads at over 3100'. The rifle is a joy to shoot and feels different than the 6.5 Sherman? More of a push than a punch I would say.6.5 sherman shortmag field test-dscf0566.jpg

6.5 sherman shortmag field test-dscf0567.jpg

6.5 sherman shortmag field test-dscf0565.jpg
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  #2  
Old 06-18-2013, 03:24 PM
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Re: 6.5 sherman shortmag field test

Looking very good indeed, for just beginning load development.
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  #3  
Old 06-18-2013, 05:33 PM
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Re: 6.5 sherman shortmag field test

Tagging in. Any reason your using a 210 and not a 215?
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Old 06-18-2013, 07:08 PM
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Re: 6.5 sherman shortmag field test

Quote:
Originally Posted by CPGfan View Post
Tagging in. Any reason your using a 210 and not a 215?
I've never found the need with my 6.5 Sherman and this one holds about 4 grains less powder and has a shorter powder column. I may try some just for grins though.....Rich
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Old 06-18-2013, 08:24 PM
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Re: 6.5 sherman shortmag field test

Gotcha. I have found in my 6.5-06AI's a 215 will make about 50-75fps difference in velocity with the same powder charge. Although I do have one now that shoots better w a 210. Shooter preference for sure, I will typically run 215's in everything from my 243AI and up. Lookin forward to hearing more progress on your build. Looks like so far so good!!
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Old 06-18-2013, 08:50 PM
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Re: 6.5 sherman shortmag field test

Quote:
Originally Posted by CPGfan View Post
Gotcha. I have found in my 6.5-06AI's a 215 will make about 50-75fps difference in velocity with the same powder charge. Although I do have one now that shoots better w a 210. Shooter preference for sure, I will typically run 215's in everything from my 243AI and up. Lookin forward to hearing more progress on your build. Looks like so far so good!!
The reason you get that much velocity increase is because you are increasing pressure with the hot primer. Sometimes you can load a heavier charge with a std. primer and get better accuracy with the same velocity.
With H1000, I even load std. primers in my 30/375 S.I. with 80+ grains of powder......Rich
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Old 06-18-2013, 08:55 PM
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Re: 6.5 sherman shortmag field test

Is there another thread with the rifle and case pics?
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