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>> “These small shop workmen are working with scrap” <<
How do you know that?
I can buy an “80%” AR receiver and finish it using the jigs that come with it, and my drillpress; does that make it “scrap?”
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>> These small shop workmen are working with scrap <<
How do you know that?
I can buy an 80% AR receiver and finish it using the jigs that come with it, and my drillpress; does that make it scrap?
But the reports that I have read over the years indicated they used scrap steel. That may have changed. On some parts, scrap of nearly any kind would be adequate, on others, the steel type and heat treating could make a significant long term difference.