Agree with both previous comments. I've used White Lightning vent liners for years and have had to replace some, also other brands, and have had no problem removing them with an easy-out. I also never used anti-seize compound on a vent liner.
I used Swiss powder exclusively for years and due to the hotter gases produced by Swiss powder, a vent liner will not last as long. If you shoot a lot, that makes a difference. I didn't realize what the problem was until Mad Monk talked about the hotter burning Swiss powder. I haven't had to change a vent liner since I stopped using Swiss powder.
At any rate, you don't need to use anti-seize compound on a vent liner.
Mole Eyes