I have not worn out any barrels but I have done research into steel in other applications so here is my view, for what its worth.
As other posters have pointed out , there are many different types...
Type: Posts; User: Ultimitsu
I have not worn out any barrels but I have done research into steel in other applications so here is my view, for what its worth.
As other posters have pointed out , there are many different types...