Originally Posted by g.willikers
On the other hand, if the gun is associated with you in any way, it would be wise to get some kind of proof of your passing it on to someone else. No different than with a car.
+1; however, in a state without mandatory registration, I prefer to compare it to a bicycle or a musical instrument.
It has significant value, is commonly stolen, and does not have any sort of official title issued by the state. Therefore, I feel it is important to have documentation showing that I obtained and disposed of the item in a lawful manner.