In short, no. Manufacturing a receiver for a machine-gun is illegal and has been since... 1986, I think. There are firms out there that make semi-auto Sten's but these are dubious copies of a stop-gap weapon. The Tec-9 (AB-10 in modern nomenclature) is worlds lighter, cheaper by leaps and bounds, and at least as reliable as the Sten. What most use their Sten Kits for is to store them along with an unfinished tube to use in case the sh$% hits the fan.
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