These where development sketches for the standard shotgun in Insomniac's new game FUSE. Though this weapon didn't get to far past the early thumbnail and sketches phase, due to time we moved ahead with #1. Here is IGN's wiki page for the gun, you can see it changed a bit in the final ( they added a stock). Its also called the "Prowler" in the game: [link]
I'd also like to point out that this is for a video game and though I do appreciate "real world" functionality feedback, the ONLY thing we're concerned about is how a weapon looks like in the game, and that it matches the gameplay functionality. I cannot stress this enough, it wasn't my project, it wasn't my design requirements. Also these are over 2 years old now.
Check out a ton of development sketches for the project on my blog: [link]