Tom A Hawk

Well done. I am quite fond of the Isaac Haines pattern.

To be honest, I have not encountered this problem. Is the plug especially tight?

TOW offers an 8 piece set that should get you started but I find there is always something different that I wish I had. Woodcraft.com...

I have found that I may need to enlarge touch hole diameter based on barrel wall thickness. What works perfectly on a .40 or .50 caliber...

Torque the liner in tight, you don’t have to go full farmer on it, just tight. Drill the liner to 1/16” after it in and filed flush...