My lock

Yes Sir it is the 1:48 original. I've read that it's almost too fast for a round ball rifle, adequate for conicals, but pretty good for both! Not sure if that fella was sippin a bit much when he wrote that!! Nonetheless, it's a fabulous rifle and I've got no complaints at all. I do like your comment regarding the screw though. I rarely took it out myself and of course the time I thought I'd try I broke half of the bite off. I should just file it down and follow your suggestion. But like you I'm a tinkerer and I wouldn't be able to leave it alone without trying!PSS:
Ya know, that could be a good excuse to get a new Green Mountain barrel. Talk about a tac driver. I even went to the 54 cal barrel. I'm guessin you still have the 1 in 48 twist??