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Ultra Mag Brass

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Ultra Mag Brass

#1

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12-21-2012, 04:39 PM

Edd

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Location: Tulsa

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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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#2

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12-21-2012, 06:02 PM

cbryant

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Re: Ultra Mag Brass

i measured a 7 rum at .544 at the base and the headstamp is .526

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#3

Old

12-21-2012, 06:42 PM

300 ultra

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Re: Ultra Mag Brass

.547 on Nosler brass

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