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redneckhunter Member
Joined: Oct 25, 2005 Posts: 83 Location: east texas ,lake of the pines
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Posted: Tue Aug 21, 2012 7:15 pm Post subject: makeing 7mm 08 out of .308 win |
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this may have already been asked here but alas i do not find it ,lol
i have a lot of .308 win brass and need some 7mm 08 brass and was wondering if it were possible to resize the .308 in a 7mm 08 fl resizeing die and have 7mm 08 .
the manuals all show there the same brass except the bullet dia. and the shoulder and the die will move the shoulder . it seems like it may be a tad short (.015 to .020 ) any ideas ??
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Ominivision1 Super Member
Joined: Sep 20, 2010 Posts: 2984 Location: Iowa
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Posted: Tue Aug 21, 2012 7:54 pm Post subject: Re: makeing 7mm 08 out of .308 win |
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Yes it can be done.
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Elvis Super Member
Joined: Jul 27, 2008 Posts: 9239 Location: south island New Zealand
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Posted: Tue Aug 21, 2012 9:38 pm Post subject: Re: makeing 7mm 08 out of .308 win |
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piece of cake. the .308 is your parent cartridge anyway the same goes for .243.
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PaulS Super Member
Joined: Feb 18, 2006 Posts: 4330 Location: South-Eastern Washington - the State
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Posted: Tue Aug 21, 2012 11:42 pm Post subject: Re: makeing 7mm 08 out of .308 win |
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When sizing down to a smaller caliber you might run into necks that are a tad thicker than "normal". If you have a tight throat it could cause pressure problems or even offset bullets due to the neck being thicker on one side. Its a good practice to check with a neck turning tool.
_________________ Paul
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redneckhunter Member
Joined: Oct 25, 2005 Posts: 83 Location: east texas ,lake of the pines
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Posted: Wed Aug 22, 2012 6:39 am Post subject: Re: makeing 7mm 08 out of .308 win |
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thanks guys many thanks for shareing ...
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slimjim Super Member
Joined: May 16, 2009 Posts: 8314 Location: Fort Worth TX
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Posted: Wed Aug 22, 2012 8:29 am Post subject: Re: makeing 7mm 08 out of .308 win |
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OV1, thats a great cartridge diagram. Where can I find ones like that? I'd like to get it for .223, 6.8, and .270.
_________________ "To anger a conservative, lie to him. To anger a liberal, tell him the truth." - Theodore Roosevelt
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Ominivision1 Super Member
Joined: Sep 20, 2010 Posts: 2984 Location: Iowa
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Posted: Wed Aug 22, 2012 12:03 pm Post subject: Re: makeing 7mm 08 out of .308 win |
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Slim
It's a scan from my book "The Handloaders Manual of Cartridge Conversions" by John Donnelly. If you want PM me your e-mail address and I can scan and send the full size page of whatever calibers you want. 6.8 is to new as my book was printed in 2004.
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stovepipe Super Member
Joined: Sep 25, 2008 Posts: 4877 Location: Pine, Az.
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Posted: Wed Aug 22, 2012 1:13 pm Post subject: Re: makeing 7mm 08 out of .308 win |
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I need to get that book! Wicked cool....
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gelandangan Super Member
Joined: May 07, 2006 Posts: 6396 Location: Sydney Australia
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Posted: Wed Aug 22, 2012 2:45 pm Post subject: Re: makeing 7mm 08 out of .308 win |
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+1 must neck turn after sizing, very important.
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RePete Super Member
Joined: Aug 15, 2005 Posts: 1034 Location: Gods Country
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Posted: Sat Aug 25, 2012 5:42 am Post subject: Re: makeing 7mm 08 out of .308 win |
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When the 7mm/08 was a wildcat, it the brass was made by necking it down and reaming/neck turning.
It was done prior to 1960.
Remington legitemised it in 1980.
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fnuser Super Member
Joined: Dec 23, 2008 Posts: 914 Location: S.W. Missouri, U.S.A.
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Posted: Sat Aug 25, 2012 1:31 pm Post subject: Re: makeing 7mm 08 out of .308 win |
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If you take the expander ball out of your .308 die it should get pretty close.
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fnuser Super Member
Joined: Dec 23, 2008 Posts: 914 Location: S.W. Missouri, U.S.A.
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Posted: Sat Aug 25, 2012 1:35 pm Post subject: Re: makeing 7mm 08 out of .308 win |
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I have that book and it contains some errors, I suppose nothing is fool proof but there are more in that book then usual just cross reference with another source or two. Mine is the 1987 edition maybe they fixed it by 2004.
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