10 years in the making is the Krytac KRISS Vector GBB and RedWolf Airsoft TV (RWTV) got a unit to tell you what they think about it... "The Krytac KRISS Vector GBB is the first gas blowback (GBB) Vector to hit the market in years. This cutting-edge airsoft gas blowback gun boasts an all-new gas blowback system that sets a new standard for performance and realism. Fully licensed and faithfully replicating its real steel counterpart as this project was a collaboration with KRISS USA and drawing upon the combined manufacturing expertise of KRISS USA and KRYTAC."