CNN CNN Newsroom November 1, 2013 14:05:00
>> and the system we have today is three years of product development and about $40 million. >> reporter: it went on sell this january. rotation of the earth, spin drift, temperature, humidity, barometric pressure, uphill or downhill angles and a moving target, every variable calculated by a computer. from there, it's displayed on an ipad through wi-fi. the rifle comes with both. using a fighter jet's target locking system, you set your tag, match up the cross hairs, and fire. >> that's good. accepted it. >> hit. >> reporter: experienced marksman, forget the math. amateurs, the learning curve ...
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