Helmut Mohr in Mayen/Hausen Germany told me that these types of triggers were usually made by watch makers in the French speaking part of Switzerland.Today it would be a very expensive idea.The lock is another thing.One of the bridle screws captures the sear spring and the "fly" must be on the back side of the tumbler.I saw the bridle screw holding the sear spring here recently on a 4 pin Brazier and may try the idea on a smaller version that I have that is 4 or 5 years started but not finished.
Bob Roller
NOW for the question of the day. Will artificial intelligence replace REAL stupidity?