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Trying to find case dimensions for ultra mags

 
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  #1  
Old 06-03-2004, 09:20 AM
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Trying to find case dimensions for ultra mags

Does anyone know of a website that shows drawings of case dimensions for all the ultra mags ? Much thanks. [img]images/icons/smile.gif[/img]
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Old 06-03-2004, 02:11 PM
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Re: Trying to find case dimensions for ultra mags

Go to: http://www.accuratepowder.com, reloading data, rifle, standard, .308, 300RUM.
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Old 06-03-2004, 02:17 PM
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Re: Trying to find case dimensions for ultra mags

It has data for all the RUMS and drawings for the 300 and 338 RUM, but not the 375.
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In the beginning God created the heavens and the earth. Genesis 1:1

"And can the liberties of a nation be thought secure when we have removed their only firm basis, a conviction in the minds of the people that these liberties are the gift of God?" Thomas Jefferson - Notes on the State of Virginia

www.wildsidesystems.com - Shelter for Your WildSide - http://www.youtube.com/watch?v=tYwgo...&feature=g-upl
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Old 06-03-2004, 04:12 PM
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Re: Trying to find case dimensions for ultra mags

site must be down [img]images/icons/frown.gif[/img]

Specifically what I am looking for is the rim sizes on 7rum 300 338 and 375.

The data I have says the 300rum is .550. But 338 is .532. Somehow I don't think that is right. I think the 300rum is .532.
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Old 06-03-2004, 04:45 PM
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Re: Trying to find case dimensions for ultra mags

That comma at the end of the address screwed it up...sorry. Just type in www.accuratepowder.com and go from there. .534 rim diameter is what it shows for the 300 and 338. My understanding is that the only difference in all for RUM offerings is the neck size and maybe a miniscule shoulder angle difference from caliber to caliber.
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In the beginning God created the heavens and the earth. Genesis 1:1

"And can the liberties of a nation be thought secure when we have removed their only firm basis, a conviction in the minds of the people that these liberties are the gift of God?" Thomas Jefferson - Notes on the State of Virginia

www.wildsidesystems.com - Shelter for Your WildSide - http://www.youtube.com/watch?v=tYwgo...&feature=g-upl
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  #6  
Old 06-03-2004, 09:19 PM
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Re: Trying to find case dimensions for ultra mags

Trader338
The 300 and 338RUM are .534 I believe the others are the same. 300RUM case is 2.85" and the 338 is shortened to 2.76" the 338 Hart uses a 300RUM case and gives you the full length and 4 grains over the RUM. About another 100fps.
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