I remove my vent liner every time I clean the rifle. I get more water with greater pressure that way to pump through the barrel when I clean. I figure more pressure, cleaner barrel. Also I clean the vent liner all out, put some anti seize back on it, and replace it when the rifle is clean. I also know should I ever need to remove it, that is not a problem.

I know some others that never remove the vent liner which is fine, their rifle, their business. I personally like to clean every little part of a rifle I can every time I clean it. I also pull the lock and clean behind it every time I clean the rifle...