The problem is that most FFL Dealers will not sell a 50 YO firearm directly to a C&R. Sure, the CZ82, Mosin Nagants, some SKS's...etc. aren't a problem but when you start trying to buy that S&W 39 with your C&R - good luck!
"With great power, there must also come great responsibility." - Stan Lee
"All that is necessary for evil to triumph is for good men to do nothing." - Edmund Burke