I'm one of those guys that managed to get the FA10 that has no instructions, and I'm in the following situation -
I bought two pistols in from a private owner in Florida (where there is NO requirement for registration or a bill of sale). I want to be a law-abiding citizen, and fill out and submit an FA10 for each. However, the guy in Florida is not subject to Mass Law -
So - what do I do? partially fill out the form with my info and the weapon info and check "registration"?
If you, as an MA resident, didn't go through an MA dealer, as appears to be the case, you are now a felon.