The Caldwell Ballistic Precision Chronograph won’t break the bank yet it allows you to accurately measure the speed of your ammunition within a .25% accuracy level. It will measure right up to 9999fps so no matter what rifle or handgun you own, this will measure and record the speed of the bullet and record it right on your smartphone! Mine worked perfectly and was very easy to setup. They are imported by NIOA and retail for around $375 depending on exchange rates: http://www.nioa.com
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