Originally Posted by
Fouredged Sword
Yes, you should have a excuse to have fired a gun. In the united states and many other countries gun poweder has an additive than leaves a distinctive trace. It is used to easily tell who fired a gun recently. Firing any gun will give you traces, as will working with gunpowder. Consider getting a bullet packing kit to have an excuse for days you didn't go to the range (ranges keep logs, best be truthful).