The Effect Of Range Estimation Error

Because a bullet's trajectory starts as a gentle slant, then plunges more and more as it slows, long-distance range estimation is much less forgiving than short-range errors.

To help you appreciate this, we're providing data for .308 168-grain Match to show what a mere 10-yard range error does to bullet placement at various distances.

DISTANCE

BULLET DROP FOR

IN YARDS

10-YARD ERROR

100-200

0.08"

200-300

0.61"

300-400

1.40"

400-500

2.40"

500-600

3.50"

600-700

4.80"

700-800

6.40"

800-900

8.20"

900-1000

10.20"

Now consider how easy it is to think a target's 750 yards away when it's actually 800 —but this 50-yard error (not even 10 percent) would cause your bullet to hit 32 inches low, a miserable miss. Think about this when making range estimates.

a very set distance. Unless an extra one's been added for additional support at a river or on a hill, the distance should be fairly consistent.

On the other hand» fence posts will vary from landowner to landowner, and I'd hesitate to put much faith in consistent spacing. Still, though, it's worth checking.

Urban range estimation has its own opportunities and problems, which we'll cover extensively in the urban section.

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Hunting Mastery Selected Tips

Hunting Mastery Selected Tips

Deer hunting is an interesting thing that reminds you of those golden old ages of 19th centuries, where a handsome hunk well equipped with all hunting material rides on horse searching for his target animal either for the purpose of displaying his masculine powers or for enticing and wooing his lady love.

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