The list of calibers grains and diameters of Sierra Sports Master Handgun Bullets is quite lengthy. These bullets are perfectly engineered to offer consistent and reliable expansion over a wide range of velocities. Sectional Density: .229 Ballistic Coefficients and Velocity Ranges : .185 @1600 fps and above .198 between 1600 and 1450 fps .212 between 1450 and 1280 fps .227 between 1280 and 1150 fps .234 @1150 fps and above