One trick I've seen a friend do. Heat it up and as it starts to cool, hit it with PB Blaster. It will draw into the stuck stuff a bit.
Or PM Hotrod LOLincoln
You should see the pic that was floating around on another forum for a while of him heating a mauser bolt with an acetylene torch and bending it down with a monkey wrench with a stupid grin on his face while his inbred buddies watch. I'm sure his phonecall will be about his revolutionary penetrating oil home brewed from acetone and atf fluid.
