I have come across an M2 carbine, probably assembled from parts. If I convert it back to M1, am I legit? It's a Winchester, 1,2xx,xxx serial number with M2 slide from what I can tell by the number.
Run away from that gun unless it is registered as a full auto. Once a gun is manufactured as a full auto it is always a full auto so far as the BATFE is concerned.
It might be a good idea to delete this thread.