I've been playing this for a while, it's a real neat thing. I made a couple this evening out of sheer boredom.
What I hope to do to my adopted AR in the future (flashlight, foregrip, and vertical grip, as well as changing the pistol grip)
Than a couple of silly, hunting/sniper/tactical rifles I mashed together.
I made this one a while ago, when I first found the game.