KRISS USA, Inc VECTOR CRB Gen 2, Semi-automatic Rifle, 10MM, 16 Threaded Barrel, 1:10 Twist, Cerakote Finish, Alpine White, 6 Position Adjustable Stock, Flip Up Sights, 33 Rounds, 1 Magazine KV10-CAP20 The KRISS Vector CRB is their most widely accessible model, with a rifle length barrel. The Vector CRB is the ideal choice for recreational use and competition in pistol caliber carbine divisions. Like all KRISS Vector firearms, the CRB is fed with full size Glock magazines, allowing for a wide range of large capacity options.