Me? You are short-stroking the frizzen. "Get the lead out" is often heard. Replace it with thick notch-cut leather, setting that flint back against the screw. Then, probably, bevel up in its case so it hits higher despite being set further back. The lead wrap is dictating what is happening by your lock, as it tends to...
Is the top of your frizzen a dark, burned-looking, color?
Is the top of your frizzen a dark, burned-looking, color?