He probably took the easiest/cheapest way out. 2 yrs seems to be the Gov standard anymore for about anything. Enough to say you been there but cuts Gov. expense. IIRC there is a cap on hobby related profits. Per 80% legal, just add the S/N. Can't sell without one. Actually both cases are really unrelated except ATF (really now just F..) has to find someone else to blame. Can't just be the shooter?