Along with the double-barrel pump action DP-12, Standard Manufacturing brought along a prototype shotgun called the SKO. A magazine-fed semi-auto 12 gauge, there wasn’t too much information available for the SKO, other than it’s currently in testing, it features AR-style controls, magazines of capacities from 3-25 rounds will be offered, and it might be out anytime between later this year and sometime in 2017.
Oh, and there’s also a bullpup configuration called, appropriately enough, the SKO-Bull.