Gunsmithing Best release agent for bedding?

[miamigunsinc]

Oh that's a good.

 

[Clark]

For years I used Redding Imperial die wax.
Then I worried about getting wax off of things so paint would stick.
Then I switched to 5W motor oil and spread it on with a toothbrush. I put it all over the masking tape too.
I can get the oil off easily when cleaning up before painting.