For people interested in these sorts of animated wireframes of guns in action, there's a great app for that: https://itunes.apple.com/us/app/gun-disassembly-2/id43507342...

I have no connection to the app or developers, FYI. I found it very useful when learning how to disassemble and reassemble my Ruger Mark III.

I'm pretty sure there's either a desktop version of this, or there's a clone of it for the desktop. Either, way, highly recommended if you're a gun person.