Touchhole reinforcement
This is the small barrel that I recently obtained.
I noted that the touchhole seems to be reinforced with some sort of insert. It is difficult to tell but I think that this "insert" (if it is) is non-magnetic.
As we have seen with other barrels, the corrosive nature of gunpowder can, and often did, erode the touchhole. Thing is that I have not noticed any sort of reinforcement on other barrels.
Thoughts?
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