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280 grain Barnes LRX BC #s?

 
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  #1  
Old 09-30-2012, 09:07 PM
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280 grain Barnes LRX BC #s?

Has anyone done some bc testing with this bullet yet? I am hopefully going shooting tomorrow so i can try to figure out what the BC is but i will most likely adjust MV rather than BC. Thanks for any help!
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  #2  
Old 10-01-2012, 06:45 AM
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Re: 280 grain Barnes LRX BC #s?

Barnes says it's .667, for what that's worth... should be close.
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Old 10-01-2012, 08:33 AM
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Re: 280 grain Barnes LRX BC #s?

I know Barnes says its .667 but just looking at its form and it weight it has got to be in the mid-low .7's
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"Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth."
~George Washington

"The only advantage a light rifle has is weight, all other advantages go to the heavy rifle."
~ JE Custom

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Old 10-01-2012, 09:45 AM
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Re: 280 grain Barnes LRX BC #s?

Kirby did some testing on them if I remember right.

This is Brians work
http://www.appliedballisticsllc.com/...mNumberOne.pdf
http://www.appliedballisticsllc.com/...mNumberTwo.pdf
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Old 10-01-2012, 10:17 PM
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Re: 280 grain Barnes LRX BC #s?

ICANHITHIMMAN i think he tested the 265 grain. Based on our drops from shooting tonight, if i left the MV alone at 2582 fps the bc would be .770, but i adjusted my MV to 2640 fps and kept the original .667 BC.
__________________

I'm 15
"Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth."
~George Washington

"The only advantage a light rifle has is weight, all other advantages go to the heavy rifle."
~ JE Custom

Biggest fail of 2014 so far... http://www.longrangehunting.com/foru...ea-ftf-128972/
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  #6  
Old 10-02-2012, 06:26 AM
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Re: 280 grain Barnes LRX BC #s?

How did the 280 LRX shoot and what are you shooting it in, the load?
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  #7  
Old 10-02-2012, 08:47 AM
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Re: 280 grain Barnes LRX BC #s?

They shot great! Shooting them out of a Savage 338 Lapua at .100 of the lands with 82.4 grain of Retumbo, Lapua brass, and federal 215 magnum match primers.

At 680 yards i pulled 2 out of the 3 shots but the group still measured 4.980" or .699 MOA, if i wouldnt have pulled the shots the group would be less than an inch.

At 806 yards they shot about 4" high and a 3.5" group.

On a side note my 10 year old brother shot it and dislocated his shoulder.
__________________

I'm 15
"Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth."
~George Washington

"The only advantage a light rifle has is weight, all other advantages go to the heavy rifle."
~ JE Custom

Biggest fail of 2014 so far... http://www.longrangehunting.com/foru...ea-ftf-128972/
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