“I Turned My Desk Into an Arms Factory, and You Can Too!“, Medium, 8/2/2013.
If you want to build something American-made — and I mean out of parts 100-percent manufactured in the USA and not merely assembled here — build an AR-15. My rifle is entirely American, from the cold hammer forged steel barrel to the machined aluminum hand guard to the smallest pins holding it together, all made in places like Wisconsin, North and South Carolina and Colorado. I didn’t even have to try to make it all-American, it just happened that way. China doesn’t even enter the picture, due to laws limiting the use of imported parts. I have a hard time thinking of anything else you can build entirely out of American parts.