A Home-brew black powder pistol.

NOTE!!! for those interested in the outcome: I machined out 12 different sears till I got one that worked exactly right. There was no manual, no description, this was all hand fitting.
After many many tries here I got it to work:
• FINALLY!!!! I got it!
And....here is the final result :
• And Now......THE REAL ...
this is my very first, and so far ONLY sortta kinda viral vid. Thanks to all who checked it out.
see the rest of my channel; it is interesting on similar subjects.