3 ms·If we're firing shots anyways, go with mobility scooter miles.by chmod775 2y agoIf we're firing shots anyways, go with mobility scooter miles.grecy 2y agoSurely in the case of firing shots it would be number of rifles manufactured or rounds produced.pfdietz 2y agoSure, use round numbers.grecy 2y agoToo many holes in this idea.