Osseon

To quote from the person who built it: https://www.muzzleloadingforum.com/threads/kibler-kit-assembly-and-carving.133549/post-1863327...

The issue for me cleaning without using barrel removal is that I have to be extra careful of not getting water, WD40, or other bad...

No disrespect, but I trust a master muzzleloader gunsmith over some guy on the Internet. He takes his barrel off to clean and so shall...

I have a kibler colonial assembled by Dave Person (a master gun maker). He taught me that removing the barrel for cleaning is no issue...