How Do I Determine My Ballistic Coefficient?
The ballistic coefficient (BC) of a bullet is a measure of its ability to overcome air resistance in flight. A higher BC, means less drag on the bullet due to air resistance, giving the bullet a flatter trajectory. Bullets with a lower BC lose velocity faster and thus tend to drop relatively quicker than higher BC bullets.
Most ammunition manufacturers list BC’s on their websites and they are readily available in look-up tables. If you are having trouble finding your BC contact the manufacturer of the ammo/bullet or give us a call.
The BC of a bullet may be given commonly as a G1 or a G7. This refers to the type of fixed drag curve model used to calculate the ballistics. Generally we request the G1 coefficient value when dealing with BC’s.