If you've got an oven big enough for the barrels, Brownells GunKote, which is cured at 300 degrees for an hour.
If not, then BBQ Grill paint. Both are in spray cans and cleaning the gun before spraying is key.

Not my first choice, but you axed about paint.

Gun Kote

Last edited by Yeti; 06/29/07 09:01 PM.