Toots, You said your gun was a traditions hawkin correct. Tradition guns have a breech plug system exactally like the old cva guns. They shouldha traditions took over the cva guns in traditional styles. your drum will be threaded into the breeckplug itself, To pull the breech plug the drum must com out first. I have done virtually all of my prc to flint conversions on cva guns. You could do what I do, leave the drum in, just cut it off close and file flush, if you want a permanent flint conversion, use a no 3 drill bit drill out existing hole in drum and tap 1/4x28, install touchole liner and you are done. If you want to be able to switch back and forth between flint and perc use a letter l drill bit drill out xisting hole, and tap5/16x24 install touchole liner and also fit a new drum in 5/16x24 and use either one you want. At present I have 8 rifles and pistols converted to go either way. you can make permanent or convertable your choice. yours the old gunsmith hounddog