Now in stock at EB Airsoft is the MilSIG RIS made specifically for the KWA KRISS Vector Gas Blowback SMG. This meand you get an additional rails to your KRISS GBB to mount additional weapons accessories and a lengthening of the GBB in case you find it too short for your needs. This is made of Aluminium and from Taiwan. Price is US$44.65 which already includes shipping costs. The suppressor seen in the photo is not included in the package.