Originally Posted by Nemo288

I had that happen too.
Once I pushed it further away the readings got realistic.
I also installed a Caldwell infrared light kit on it for indoor use.
Seems to work given the florescent lighting at this range.

I do like the ProChrono for the price.
Once set up it's quite reliable.
I also use a Magnetospeed but that's for barrels 6" or longer.

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Nemo