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Tech info on Bergers new 338 caliber 300 grain Hybrids

 
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Old 05-06-2010, 01:20 PM
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Re: Tech info on Bergers new 338 caliber 300 grain Hybrids

Bryan,

Are there any future prospects for a 225 class grain bullet?

Thanks for the updates.

M
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Old 05-06-2010, 05:58 PM
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Re: Tech info on Bergers new 338 caliber 300 grain Hybrids

and 250's?
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Old 05-06-2010, 07:06 PM
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Re: Tech info on Bergers new 338 caliber 300 grain Hybrids

Bryan, your writeup was really informative, thank you for it. As mentioned previously Berger does a real service by keeping the public informed. That in and of itself puts Berger a step ahead of other bullet manufacturers IMHO.
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Old 05-09-2010, 10:15 PM
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Re: Tech info on Bergers new 338 caliber 300 grain Hybrids

Bryan,

Looking at your retained energy charts again...it seemed to me that the numbers were quite low. Running at sea level, 29.53 mmHg pressure and 50% humidity (can't remember that part of the ICAO standard atmos.), 2800fps MV, I get much higher retained KE than that charts show. At 1.5k yds, I get 1463 ft. lbs. KE for the Berger using your G1 velocity banded data in Exbal. Your chart shows 842 ft. lbs. What am I missing?

Jon
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Old 05-10-2010, 02:48 PM
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Re: Tech info on Bergers new 338 caliber 300 grain Hybrids

This bullet will be made available in 250 grain next. Same ogive and BT, just 50 grains lighter so the G7 BC should be very close to .455*250/300 = .379. The G1 BC will be .891*250/300 = .743.

Jon,
Thanks for pointing out the error in the Energy data. I've corrected the report.

-Bryan
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Old 05-10-2010, 03:24 PM
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Re: Tech info on Bergers new 338 caliber 300 grain Hybrids

Any chance we will be able to see the performance results when these bullets impact ballistics gel?
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Old 05-10-2010, 03:33 PM
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Re: Tech info on Bergers new 338 caliber 300 grain Hybrids

Are the .25cal. bullets he menchions in the video the 125gr bullets?

Thank you.
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