501
NY bill would require a criminal history background check for the purchase of a 3D printer
(www.nysenate.gov)
This is a most excellent place for technology news and articles.
The first weapons that would be visibly identified as rifles are about 500 years old.
Rifles, no. Firearms you can hold and point, yes.
From Wikipedia
Around the late 14th century in Europe, smaller and portable hand-held cannons were developed, creating in effect the first smooth-bore personal firearm.
Over 500 years old.