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Old April 28, 2013, 08:07 PM   #30
Bart B.
Senior Member
 
Join Date: February 15, 2009
Posts: 4,835
Jimro, not all of Sierra's bullets have lower BC's as velocity drops. Check out the .308" 180-gr. HPMK's BC shown below:

.475 @ 2800 fps and above
.496 between 2800 and 2200 fps
.494 between 2200 and 1600 fps
.494 @ 1600 fps and below
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