I did a bit of research and found 2 neat sites about the Carbine. Mine is a Generation 3 it has the slide lock switch on the side as well as the heat guard. Gen 3 are around 1980-till the end of manufacture Serial numbers started at 178xxx or 187xxx. Mines serial number starts a 338xxx.
You all should check these sites out as they have other brands that made M1 Carbines.
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4 years 50 weeks ago, 12:59 AM