Nobody except an idiot is going to sell their gun to another private party through an FFL dealer.
Here in PA, all private handgun sales must go thru the FFL to legally transfer the original owner from the title and absolve all future responsibility of usage. Long guns aren’t required to go thru that; a simple receipt between parties is all that’s required. I thought that the handgun transfer requirement was a federal law. No?
"According to current federal law, gun sales between private individuals must be handled by FFL holders ONLY if the private parties are residents of different states. Residents of the same state may conclude the sale of a firearm without submitting to a background check, having the sale recorded or paying a fee to a FFL holder/licensed gun store. Yet in the ATF’s January 16th letter to gun dealers, this vitally important distinction in federal law is ignored."
2 FFL friends here in PA told me 13+ years ago, that they had to do the legal transfer of a handgun. Now I'm really confused. Crap; I just sold/transferred a Bushy Carbon 15 Type 21S Pistol to my cousin's daughter's husband, thru our local FFL.