[rickystl]

Originally Posted by Pukka Bundook

Rick,

For cleaning, water and likely a wool mop attached to a rod would work. Wool would compress to enter the chamber, and fluff out again to fill it.
When dry, an oiled wool mop would work to prevent rust.

As you say, patches would be asking for trouble!

Hi Richard.
Yes, similar to a shotgun cleaning mop. Assuming the mop would expand enough. I'll test hat out once the breech is open.
Rick.