TMHolland, I was told by the PO of my Jeep that mine was painted to the 1986 CJ Charcoal Grey Metallic 4M, and it looks identical to the color you are trying to hunt down. I've yet to order some touch up paint to compare the two.
DOH, attached as attachment. Lighting was great, so if you want a closeup or a different shot let me know.
2005 LJ Rubicon Sahara #380