Winchester M2 Carbine

[browningautorifle]

That's my suspicions anyways Ed, the military converted by armorer and would have over-stamped I think. The parts being original wouldn't surprise me because they used to be available. There used to be pails full around. An older civilian conversion could date back to the 60s...easily. That would show age patina. All this suggested without me being able to study it at all.