3rd Edition Ballistic Performance Of Rifle Bullets This book provides highly accurate ballistics performance data for 720 modern rifle bullets from .172 to .510 caliber. The BC data provided is derived from live-fire testing accurate to +/-1%. Also included for each bullet are complete drawings with measurements and rifle twist rates with stability factors. Allowing the shooter to not only see performance but also make an informed decision on the barrel needed for that bullet. The BC data is broken down in to G1 and G7, with segmented BCs from 3000 - below 1500 fps.