A patches used for cleaning between shots should only be damp. IF it is wet you will have misfires.
The OP has a Hawken made with the cast patent breech as sold by track? Like this?
https://www.trackofthewolf.com/Categories/PartDetail.aspx/664/1/plug-jb-18-3
When I made a Hawken replica I got one of those. I refused to use it.
There was a 1/8" hole drilled at an angle to connect the plug face with the are under the nipple. The edge of the plug face was notched by the drilled hole larger than the bore, creating a fouling trap. The hole was extremely close to the junction of the plug threads and barrel face creating a weak place. The hole is very long and narrow, I expected to have ignition problems.
So, I machined a rough casting to satisfy my OCD sensibilities. I cross drilled a much larger hole. The hole was plugged on the side of the barrel opposite the lock. I then made the powder chamber as large as practical. When you load it the powder finds it's way under the nipple, as I believe it should.
I am sure others with more experience can comment on this. Maybe I did it wrong? But, not having powder near the nipple seems to me to be a bad idea. And, how are you going to clean that long tiny flash hole? When shooting , if there is a little oil in there it will foul up quickly.