I bought one of this Mans ( Ed Jennings ) Sight Pushers back in 2011 and just want to give you all here at castboolits a place ta go for a nice sight pusher for a good price Since I bought mine he has refined the pusher with 2 models to choose from and it looks like it will work far better than the one I purchased and I have to tell ya Mine has pushed alot of sights even a few Kimbers which anyone who owns a Kimber and tried to drift one of their sights out Knows they are probobly put in or should I say Rammed in with a press with the aid of a heat gun and Ed,s pusher they came out very easly
For anyone Interested you can find them Here http://forums.1911forum.com/showthread.php?t=412120
IMO I,m sure for those of you that would like to do round or octigonal barrels and would have an Idea or design Ed would work with ya ta make it happen