That's one of my Vee-Twins. That particular one was ordered with parts for both semiauto and pump:
I made every single piece shown, except the cup seal and ball detents.
Doc.
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Drilled 'Cocker body? Cover those holes with the
Eye Patch!
Doc's Machine. Fixing, fiddling and transmogrifying markers since 1998.
The Whiteboard. Vaguely paintball-related absurdity every Monday, Wednesday and Friday.