I'm supirized no one has offered the service yet. Hell, even brass sleeving mabey. Everyone talks how stainless and brass is much slicker than alumnimum. Even if it's a gimmiky idea, I'm sure some people could be suckered into paying for the service
Figure something like a poppet marker can just have the rammer tube reamed out and have an insert frozen and dropped in with .001-.003 interference fit so it doesn't come out.