My G21 has eaten plenty of lead reloads- I cast them and I reload them. Generally, I'll run a mag or two of FMJs through the barrel after the lead reloads. Never noticed any barrel leading.
I've got a P90 that finally got some dull spots on the barrel (lead)... they cleaned up without too much effort, but that was probably 1K rounds between cleanings. I tended to run the P90 hard and put it away wet. And it kept on ticking.
I've got a P90 that finally got some dull spots on the barrel (lead)... they cleaned up without too much effort, but that was probably 1K rounds between cleanings. I tended to run the P90 hard and put it away wet. And it kept on ticking.