I was able to handle a Taurus 66 357mag the other day. The sale's person would not take off the trigger lock. I noticed that the ratchets were not cut! They seem to be cast or molded. At S&W armorer school we had to first cut the ratchets with a homemade tool and then in some cases file each...
If you are shooting to the left move the front sight a little to the left. You will need a vise,hammer , and a 1/4 inch by 3 inch long flat headed BRASS bolt from homedepot. Google front sight on shield on Youtube....
This is not a joke put the slide in the freezer over night. Then put it in a vise use the biggest aluminum or brass punch you can. It seems you are the forth person I am aware of whose gun shoots to the left. I messed my front sight up with a steel punch, called S&W they sent me a new one...
I suggest in the future ask where the advise giver got his information or knowledge. Over time, if a high racket is the cause, the chrome hand will cut it! There is a trick to cutting the correct ratchet and it is really easy for the uninformed or untrained to destroy one! You can use a mic...
I brought one new in the 1970's later I I sold it back to the store owner for twice what I paid for it! I never found out why he want it so much. I should have never sold it. Do not change anything and it will always go BANG!
I have a pair in the box, but I am not sure if I had them refinished they look new. Sent me you email address and I will send you pictures. Before I send pictures what are they worth to you?
I carry my shield in my front pocket. I am ready to stone the razor like edge off the rear edge of my rear sight. The sight is wearing a hole in the top of my pants pockets!
I went to S&W armor school, NRA instructor School and was an armorer for years until I got promoted. On thing I learned is when you are cleaning gun in a little room is that you do not want to be smelling chemicals. Buy some stainless steel bore and cylinder brushes they will make short work of...