In this video I continue a series covering how pump action firearms work, looking at the example of the Mossberg 500, through the use of a program called World of Guns: Gun Disassembly.
This is the site I downloaded World of Guns: http://store.steampowered.com/app/262410/
You can check out the website of the developer of World of Guns at this link: http://noble-empire.com