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Actual BC for JLK 180 LBT

I was wondering if anyone knew the actual BC, either G1 or G7 for the 180 LBT. I know its advertised on Steves website as .575, but it obviously seems a little high, or is it?
 
This is the only bullet I shoot in F-TR for 800-1000 yards and have had great success with it. When I was working up a load I emailed Brian Litz to see if he had any information on the 180 JLK LBT. His reply is below...

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I haven't tested that bullet so I can't give you solid numbers for it. However, based on my measurement of the 210 LBT, which is the same shape (nose and tail) just heavier, I would estimate that the G1 BC of .575 is accurate, and the G7 BC would be .294.

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FWIW I coat them with WS2 and jump these 20 thous behind Varget and BR2's

Tony
 

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