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Old 03-07-2014, 05:46 AM   #1
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Default How to make modified case?

I have searched and searched for a .260 rem modified case without any luck. So I have decided to make my own. So can Axxe, Txhillbilly, and or anyone else show me the way?



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Old 03-07-2014, 05:52 AM   #2
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I have searched and searched for a .260 rem modified case without any luck. So I have decided to make my own. So can Axxe, Txhillbilly, and or anyone else show me the way?
Modified for what?


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Old 03-07-2014, 05:57 AM   #3
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Modified for what?
To work with hornaday locknload precision gages
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Old 03-07-2014, 06:18 AM   #4
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To work with hornaday locknload precision gages
Just checking.

First take a case that has been fired in the rifle you are making it for; do not
resize it.

I do this, I hold the case in 5C collet chuck, then mount that in my 4 jaw lathe
chuck and dial indicate the case in. Then drill and tap the case in the lathe.

I can look tomorrow for the drill size, IIRC the tap is a 5/16"-36 tap, but will
verify that tomorrow also if you need me to. I have them stored in a box and
they only get used for making cases.
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Old 03-07-2014, 06:26 AM   #5
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Originally Posted by Shade View Post
Just checking.

First take a case that has been fired in the rifle you are making it for; do not
resize it.

I do this, I hold the case in 5C collet chuck, then mount that in my 4 jaw lathe
chuck and dial indicate the case in. Then drill and tap the case in the lathe.

I can look tomorrow for the drill size, IIRC the tap is a 5/16"-36 tap, but will
verify that tomorrow also if you need me to. I have them stored in a box and
they only get used for making cases.
please verify tap size, thank you
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Old 03-07-2014, 09:20 PM   #6
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What exactly are you trying to make ??? Are you trying to make .260 Rem. cases from another case??

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Old 03-08-2014, 02:23 AM   #7
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5/16"-36
Either a letter K drill or 9/32" drill.

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Old 03-08-2014, 02:33 AM   #8
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What exactly are you trying to make ??? Are you trying to make .260 Rem. cases from another case??
yes from .243 and .308 and any other brass that I can get for a less expensive price
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Old 03-08-2014, 02:34 AM   #9
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5/16"-36
Either a letter K drill or 9/32" drill.
thank you for the information
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Old 03-08-2014, 03:05 PM   #10
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yes from .243 and .308 and any other brass that I can get for a less expensive price
Just neck down .308.

Look on Amazon.com for a copy of George Nonte's book of cartridge conversions. it explains a lot.


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