Just picked up a CAR-15 stock from these guys, and perusing the site, I found a "MK12 stainless steel barrel"....for a really good price.

Link here: https://retrorifles.com/mk12-18-inch...-steel-barrel/

I know I am better off with the White Oak barrel I've been waiting to be restocked, but this is tempting....anyone run one of these or have any insight?