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Reloading Berger Bullets


Ultra Mag Brass

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Unread 12-21-2012, 05:39 PM
Edd Edd is offline
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Join Date: Jan 2011
Location: Tulsa
Posts: 2,320
Ultra Mag Brass

If any of you guys measure the base diameter of your new 300 or 7mm ultra mag brass, I'd like to know what sizes you are finding. I found one 3 year old thread where someone had measured .543". Is that consistent with everyone else's measurements?
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Unread 12-21-2012, 07:02 PM
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Join Date: Oct 2011
Posts: 21
Re: Ultra Mag Brass

i measured a 7 rum at .544 at the base and the headstamp is .526
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Unread 12-21-2012, 07:42 PM
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Join Date: Apr 2010
Location: OREGON
Posts: 833
Re: Ultra Mag Brass

.547 on Nosler brass
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