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300 RUM & 230gr Berger Hybrids

 
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  #1  
Old 02-25-2013, 03:09 PM
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Join Date: Dec 2012
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300 RUM & 230gr Berger Hybrids

I'm loading 93 grains of H1000 under a 230 gr Berger in my 300 RUM. Rem brass, CCI 250 mag primer. Elevation is 2230. Getting 3080 fps through a 28" Bartlein. No signs of excess pressure after 30 rounds, but I haven't found the accuracy sweet spot yet.

I'm interested to hear what other guys are seeing for velocity from their 300 RUMs with the 230 Bergers, and when signs of pressure started to appear?
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Old 02-25-2013, 09:37 PM
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Location: Nebraska
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Re: 300 RUM & 230gr Berger Hybrids

From everything I've read on this combination Your the winner at over 3000fps.
At my 1350 elavation & I pulled the trigger with 93grs of H1000 behind the 230hybrids this would probably be my last post!!!
I'm at max with 92gr of H1000 & 208 Amax.
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Old 02-26-2013, 03:25 AM
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Re: 300 RUM & 230gr Berger Hybrids

I've had good luck with RL-25 in 210's and 240's
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Old 03-02-2013, 10:21 PM
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Re: 300 RUM & 230gr Berger Hybrids

My load in a Rem 700 factory rifle is 90Gr Retumbo 230Gr Berger Hybrid Target lit with a Fed 215 primer. 2911 pfs with no pressure signs. Accuracy is good at this load. If I increase the charge the accuracy decreases.
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Old 03-03-2013, 07:03 AM
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Location: Tucson Az
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Re: 300 RUM & 230gr Berger Hybrids

For grins I rechambered a 24" 300 win mag rem takeoff I had sitting around to 300 RUM. 100 gr of RL-33 yielded 2975 fps with 230 gr berger hybrid from that short barrel!

Why are you guys mentioning your elevations? Can't imagine how that could affect load workups. Now downrange trajectories I'd understand. Please explain.
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Old 03-03-2013, 11:15 AM
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Re: 300 RUM & 230gr Berger Hybrids

I have not experimented at different elevations yet, as all our mountain roads are currently snowed in, but I've been told that pressure increases along with elevation. So a load that presents no pressure problems at 2,000 feet may be very different when fired at 5,000 feet. I'm anxious to test that for myself at different elevations after melt off.
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  #7  
Old 03-03-2013, 11:23 AM
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Re: 300 RUM & 230gr Berger Hybrids

Been an avid rifle nut and ballistics information reader, have loaded for over 30 yrs never heard that elevation affects pressure.

I would love know where you found that information. Was it published?

Ross
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