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How velocity can be substituted for a low B.C.

VELOCITY. This is the reason that a .22 bullet weighing 50 grains-with a ballistic coefficient of .26- can shoot remarkably flat out to 300-400 yards, when fired at high velocity. Their low sectional density does not matter considering their purpose, pest control. Bullets with higher sectional density are important where deeper penetration is needed when hunting big game, for example. When you are shooting “chucks”, for example, deep penetration is not needed. Fast bullet breakup is, however, to decrease the chance of ricochet in the case of a miss. A high velocity projectile of lower sectional density best accomplishes this. The lower sectional density means a lower B.C., however, upping its velocity helps it to overcome this drawback. To increase a.22’s sectional density equal to a big games bullet would be impractical, it would be very long, velocity would be very low, pressures high, ricochets many.
To summarize, when shooting at extended ranges, a bullets lag time needs to be reduced. This is accomplished best by using a bullet with a high ballistic coefficient, fired at the highest velocity practical for the particular cartridge you are using. This will allow the bullet to retain more of its initial velocity as it travels downrange. The slower it loses velocity the more energy it retains, its trajectory is flattened and there is less bullet drift in a crosswind.
Pest shooting requires a different set of parameters. You do not need penetration, the less the better, but you do need a flat trajectory and some help in the wind drift department. This is best accomplished with lightly constructed small caliber bullets at extremely high velocities.




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