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Author Topic: 375 Black Mesa Express  (Read 1411 times)

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Offline geezer56

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375 Black Mesa Express
« on: April 13, 2011, 04:47:44 PM »
I just joined the big boy's club.  I bought the rifle with dies, brass, and bullets.  Does any one have some real world load data that they can share?
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Offline Nobade

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Re: 375 Black Mesa Express
« Reply #1 on: April 14, 2011, 02:43:33 AM »
Just looking around it appears this cartridge is about the same as a 375 Ultramag, is it not? If that is the case you could use Ultramag loading data and go from there. Looks like a powerful no fooling round that is going to be picky about what bullets you use so as to not blow them up on game.
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"Give me a lever long enough, and a place to stand, and I'll break the lever."

Offline geezer56

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Re: 375 Black Mesa Express
« Reply #2 on: April 14, 2011, 04:42:11 AM »
Case capacity is a bit less on the BME.  Shoulder is set back, longer neck.  I have some brass with the Black Mesa headstamp, but I have read that you can make brass out of the ultra mag.  Starting loads, backed off a bit, may be what I have to start with.  It is supposed to send a 300 grain bullet at 2900 FPS in factory form, the chrony may be called into action to see that I don't go past that.   
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