To start up, a couple of miscellaneous files.
First file is a simple rifling tutorial that dosen't require specialized, expensive, fancy machinery or tools that i believe it was posted here somewhere around a year ago, incredibly handy knowledge, Mark Serbu posted a method that may or may not resemble what was showed in the clip, but it got nuked real fast and i couldn't find shit in the archives.
Second file is a guide for cheap few-shots disposable silencers(old-stuff but it can be useful), third file is an almost 100% 3D-printed silencer that's probably the best open source silencer of its kind, made by deterrence dispensed.
The following four files are homemade-ammo tutorials, they are kinda old but still pretty much as useful, the rest are up to date files by deterrence dispensed, incredibly detailed shit and the second one goes all the way into lead-melting, you can see a clip in there directly out of one such zip-file, the guy is super serious about his stuff so you can pretty much take his clip as proof.
Deterrence Dispensed: https://youtu.be/jlB2QV5wVxg
(files 1/2)