Kel-Tec KS7 G2 Bullpup Frame 12 Gauge Pump 3" 6+1 18.50" Black Steel Barrel, Green Receiver, M-LOK, Green Polymer Stock & Grip The KS7 is designed for many applications, but it lends itself perfectly to home defense, back country hiking or anywhere you need a compact shotgun. The magazine tube holds 6+1 or 7+1 depending on your choice of shell size. It features a carry handle that doubles as a sighting solution; M-LOK slots; fiber optic bead sights and Bullpup design.