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I practice to 80 but in the real world of the hunting woods my effective range is half due to excitement, awkward shooting position, extra hunting clothes etc etc . It is amazing to hear these ranges listed now and how many guys after season will say " I can't believe I missed my elk at 30 yards ! "
To find your maximum hunting range, find your maximum target range and subtract about 20-25 yards, that is your realistic maximum hunting range under hunting conditions.