.50 Caliber preliminary load data for saboted bullets. The velocities will be updated as we have data available.
BH209 = Blackhorn 209.
BH209 weight conversion: 70 GR Weight = 100 GR Volume, 84 GR Weight = 120 GR Volume.
N120 powder has a very small grain size and can fall through breech plugs with flash holes over .028
