Treading carefully to avoid politics.

I -594 in Washington state passed. It appears this will prevent sharing of firearms if applied broadly. Until the courts have some case law about it, Washington citizens should be careful about using someone else's firearm.

From the text of the law.

(25) "Transfer" means the intended delivery of a firearm to
another person without consideration of payment or promise of payment
including, but not limited to, gifts and loans.

Full text
http://sos.wa.gov/_assets/elections/initiatives/FinalText_483.pdf

A heads up as signatures are being gathered for the same Initiative in Nevada, so other states may soon have similar laws. Montana and Arizona have been talked about by I 594 supporters too.