Today I was thinking of the hypothetical situation of two people from the same state conducting an FTF sale in another state. For example, could two people from NY go to a state such as PA or VT and perform an FTF sale in that state? In that case, the sale would be conducted in a state that does not require universal background checks, and the sale is still between residents of the same state. Is such a sale legal (assuming not felons, and all that stuff)? I'm not considering doing this (I am currently stationed in TX and can buy almost anything I want FTF since I'm legally a resident!), but was just curious if it was legal.