Not all of em:

https://www.doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=486275&page=4

I have no dog in this fight. I have a gun or three I can shoot steel in, and a few I can shoot steel in BECAUSE I WILL NOT LIVE TO SEE THE RESULTS.

None of them, are Fabbris, by the way.

Got bismuth, got heavi-shot, got no worries at his point in the ball game.

Best,
Ted