Ruger Mk1 .22 suppressor

Suppressor for ruger Mk1. It is probably compatible with other models as well.
To me it's a tight fit. If it's not for you, you can M4 tap the holes.
Thing is very quiet. Just put some tape on the cap and make an "X" cut with a blade for the bb to go trough.
For the foam, just cut a foam sheet and insert it. I managed to avoid making disks
Also vaseline or grease on the hammer helps reduce noise.

You will need to remove the front sight and file down the barrell, but its definitively worth it. With a silencer this long you can point precisely even without it.