I got my parts from Track back when the parts were supplied by The Rifle Shoppe. The pre-cut stock meant that my touch hole was aft of the face of the breech plug. Based on advice from knowledgeable builders, I notched the face of the breech plug. Sacrilege to some but it was the only way to get the lock installed and not have monstrous gaps around the lock.
I browned the barrel and blued the lock and screws according to the directions sent with the order to Harper's Ferry.
Since a lot of the interest in the firearm is in how it performs, well, the lock time is nearly instantaneous and the performance with the radius grooved Colerain barrel is very good. I do have to spend some time to settle myself down and refine the accuracy. Not bad for the first 5 shots.
I do like the look of your rifle with the case hardening of the lock and tang.