The Q&A information is from the ATF's web site here:
Originally Posted by Groovy Mike
The previous part, about federal law allowing the sale of a long gun or handgun is quoted on many web sites. It's here on Wikipedia, in the section on sales between individuals:
The first question on the ATF page also talks about the legality of selling to an individual.
"A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects." - Robert A. Heinlein, "Time Enough for Love."