Quote:
Mhp,
The thinner is softening wax already in the media in that case.
Jcwit,
I've got to think about what you're saying. It's certainly the case that the gas system is still pressurized at the time the bullet has cleared the muzzle, so you expect it to 'exhale' a little through the gas port after the barrel pressure drops. If that gas contains some vaporized wax, it might deposit in the barrel and, to a lesser extent, become part of the blowby around the case as it starts to extract. The port is certainly close enough to the chamber. So, maybe you're on to something.
Perhaps some bullets lubricated with neon color crayon wax would tell you?
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I'll bet you're right about using thinner softening the wax that already in the bowl and on the media. I also add thinner at times and forgot about this being a possibility.
As far as lube blowing back I have to admit it was almost grasping at straws, but could not come up with anything else. There are times where it does seem that most anything is possible.