Quote:
Originally Posted by castlebravo92
snipped redundant part
But, all that being said, a decent machine shop with a lathe would be able to rifle barrels no problem. IMHO, it would be easier to turn out new production rifles like the AR-15 out of workshops using melted aluminum cans (for the upper and lower receivers at least) than it would be to produce new production brass, primer compound, and smokeless powder.
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AR15's/M16's use Aircraft aluminum, and there are lots of inoperable planes around.