Join Date: Jan 2007
The lock would have originally been flint, and at some time altered to percussion, Then, later back to flint.
The easiest method of converting to percussion, is with the drum and nipple arrangement. This entails drilling out the touchhole to a larger size, tapping, and screwing in a drum containing the nipple.
This type of conversion was very common, and these days Many are being converted back, as a flint is worth more generally then a converted percussion piece.
I hope this clarifies what I was trying to say.
The patination on the barrel and the rest of the lock are consistent, and much more visible than on the (newer I think) cock , pan and steel, (or frizzen).
Yes you are very correct, a lock made in Europe very often had a separate pan fitted, as I said in my post above.