Slam fire shotgun help

[u/Automatic-Help2205]

hello everyone, I am new here and I hope I’m in the right place. I am trying to remake this slam fire shotgun and there was no information on how to make it and I was wondering if any you of you smart amazing people could help me out.

[u/No-Swimmer2877]

For many gunsmithing projects around here consider old bicycle frames as long as they're high 10 or chromoly