Originally Posted by
Semisane
The worst thing that could happen with even the softest vent liner is rapid erosion of the flash hole.
What you said above i agree 100%
Now if that rapid erosion happens at the range, and powder drops into the breech plug???? Just ask Henry Ball what could happen.
I should also explain this. The quality of the breech plug makes a difference as well. A high quality plug will make a difference versus a cheap soft cva plug.