This is a mod in progress for "Call to Arms" changing the theme into the Star Wars universe with new high quality content, new non-linear RPG gameplay, and many new game mechanics!
Video 1/2 will be available here in a bit: Youtu.be
Later here on ModDb too.
I don't know what he's shooting at but it looks amazing.
Looks like a Brotherhood of Steel Paladin
Now that you mention it, it does.
Looks like battlefront 2 now xD
He's shooting at a Brotherhood of Steel Knight with what appears to be either a Gattling Laser or a Tri-barrel Minigun.
That is a A brother hood of steel paladin He has a fallout mod he's working on aswell I love this guy for this reason :)