The shade-tree tinker side of me has always been into minor gun gunsmithing and how guns and other mechanical things work. Okay ... sometimes Rube Goldberg inclined. Found these, and several other sources of super high-quality 3D animations illustrating the workings of the 1911, AR-15, AK-47...
Thomas Schwenke - guns, and also many other mechanical animations
Matt Rittman https://www.youtube.com/watch?v=_eQLFVpOYm4
Thomas Schwenke - guns, and also many other mechanical animations
Matt Rittman https://www.youtube.com/watch?v=_eQLFVpOYm4