I received a lock today from a store where I got my barrel and I understood it was a TC lock which they threw in free. Its not a TC as the plate is smooth no engraving color case hardened and no mfg. marking. It looks just like a TC and "almost" fits the inletting. I've been away from traditional guns for a long time so I don't know of any TC clones but this sure seems to be one. If anyone knows anything about any TC copies please fill me in. I am going to call the store and see if they know where this lock came. It looks and feels like a decent lock and I would like to use it cause I think it looks better than a TC but I don't want a pot metal piece of junk.