User blog comment:Delta1138/What guns should be added in future DLCs?/@comment-5024450-20120504042249/@comment-3479148-20120505185504

Whoa, comrade. When did you steal a US Military prototype?

Also, the bullet-firing part of the OICW was apparently going to be available standalone, but that was just a mostly converted G36, and would later become the XM8 series. I couldn't find any standalone pictures, but here's the OICW broken down into its basic components.