Choose the appropriate bullet of your gun type for the ballistic coefficients.
.308 dia. 168 gr. HPBT MatchKing
||.462 @ 2600 fps and above
.447 between 2600 and 2100 fps
.424 between 2100 and 1600 fps
.405 @ 1600 fps and below
For your convenience, here are Adobe Acrobat PDF versions
of both the Rifle And Handgun Ballistic Coefficients, that you can download
and print out to update your manual or use as a reference.
Adobe Acrobat PDF of Ballistic Coefficients