Found this on Sierra's Bullet Page and thought it was interesting.
Rifle Bullets
Ballistic Coefficients
Bullet Name Diameter inches Weight grains Sectional Density Ballistic Coefficients
.458 dia. (45-70) 300 gr. HP/FN .458 300 .204 .120 @ 2400 fps and above
.145 between 2400 and 1900 fps
.185 between 1900 and 1400 fps
.210 between 1400 and 1150 fps
.230 @ 1150 fps and below
Rifle Bullets
Ballistic Coefficients
Bullet Name Diameter inches Weight grains Sectional Density Ballistic Coefficients
.458 dia. (45-70) 300 gr. HP/FN .458 300 .204 .120 @ 2400 fps and above
.145 between 2400 and 1900 fps
.185 between 1900 and 1400 fps
.210 between 1400 and 1150 fps
.230 @ 1150 fps and below