Thanks! I put a lot of work into the lock to get it striking at a better angle. I bought a white lightning vent liner, but instead of installing it, I very slightly beveled the opening of the vent hole and got the nice results you see in the video clip.
Well worth the effort you put into it, I think.
I've never tried the white lightning vent liners, but I've heard good things about them. I use the beveling trick on my vent liners though, and it makes a huge difference. On some of my earlier liners I actually drilled out the inside off the vent to a larger inside diameter, and then drilled the flash hole a bit larger too.
The increased inside diameter helped, but the larger flash hole was unnecessary. All it did was allow me to lose a few kernels of powder out of the flash hole if I had the gun loaded for a few days while hunting, which actually slowed my ignition. Fast on the range, but (sometimes) slow in the field.
Once I realized that, I went back to the smaller flash hole diameter. Occasionally, though, I may bore out the inside of the vent to allow the powder kernels to be right up next to the flash hole, where I can see them. I don't like a long "tunnel" between the outside of the vent hole and the powder. Now I get quick ignition no matter how long it's been loaded. I can also glance at my vent, and see dry powder kernels. With a sharp flint and a clean frizzen, I'm more assured or a positive, quick, ignition than any "high-tech" percussion gun I've seen...
Did you need to change the angle of the hammer to get the flint to strike at the correct angle? I've never gone quite to that extreme, although I had a rifle that performed best with an "upside-down" flint. Have you tried mounting the flint in lead instead of leather?
Sorry to misdirect your thread, I just lose interest in military weapons after 1840 or so (except F4U's, B25's, B17's, and P51's

). One of my flinters is a Brown Bess, so the Charleville is right up my alley too!