I've always had this idea of a classic over under shotgun made modern. I'm designing it as I go. It's heavily based on the KSG, with a lil' Sig MPX mixed in for good measure.
Update 7: Slow and steady texture-sauce.
Update 6: Marmo-setting everything up! (PUNS!)
Update 5:
Baked the low and starting to lay down some base materials.