Was that supposed to be funny? The only thing that was funny, was that you thought it was funny.
But since you brought up firearms, ARMSLIST.COM is a great place to look up locals who are selling their firearms.
https://www.armslist.com/inside
Select your state, and then drill down to the local city level from the drop down box on the right.
It was mainly a criticism of the idea, since quality gun manufacture is done in large plants who have metallurgical ovens, milling machines and lathes, and who distribute nationally. I could probably rig up a zip gun myself, but that’s useless in a CW II environment, though it might help me in some contexts against marauding Arab terrorists.
Your answer, however, was responsive and adequate. Thank you.