Crosman 1377 suppressor (Silencer)

VERSION 2.0: https://www.thingiverse.com/thing:2849022
I had been searching for a nice way of attatching a suppressor to my crosman 1377 without having to buy a longer barrel. I couldn't find anything on the internet that I liked, so I came up with something myself.
This suppressor works way better than I had ever expected. The only thing I hear is the sound of the hammer hitting the valve. Now I can comfortably shoot it outside whithout having to worry about my neighbours.
And the total cos