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Need help, underhammer rifle

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Commodore Swab

Blunderbuss Builder
MLF Supporter
Jul 5, 2012
Reaction score
If this is the wrong place feel free to move. I have acquired a batch of parts to build a triple barrel (2 rifle, 1 smooth) with the lower being a custom underhammer flint. Any literature or pictures involving the frizzen/pan and stock fitment for the lower lock would be of assistance for inspiration.
It's not much more than an incomplete pile of parts now. The parts employ a folding trigger for the lower barrel like a box lock. Unfortunately there is a long sear to engage the cock and I have been unable to figure out what would trip it to pop out.

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