Yes, I prefer to leave them as is, un-reconverted, but as this one has already been reworked, I will try to make it comparatively right as a flinter. ... Indeed, there is no bridle on the tumbler -- and the insides look pretty much like the photo of the Duncan fowler lock. I really appreciate your efforts to research the chronology of the guns -- and am interested to see what kind of info you have uncovered on contexts of usage (fur trade, market hunters, home use, etc.) and commercial market networks -- looking forward to the article. If you ever need better images of the things I've posted, feel free to ask ...