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Old 07-28-2012, 13:05   #2
Buffalobob
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Join Date: Aug 2006
Location: Potomac River
Posts: 925
This is principally a benchrest type question.

I think David Tubbs is marketing and hyping a new coating of boron nitride.

At one time in my life I shot the 6mm Barnes blue meanies and killed several deer with them. I found no difference in the final resting stage of the deer compared to 85 grain Speers without any coating. Rifle was a 240 Wby and the range was seldom more than 200 yards so 50 fps difference in screaming hyper velocity was not noticeable.
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