IIRC, seems to me a dbl barrel 12 ga wired for 110 with a light bulb strapped to the muzzle is a pretty effective bear stopper, or at least deterrant. Gotta make sure you either shoot em in the head or the butt, though. Never seen a bear run screaming into the night like that before.
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The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)