Sierra Bravo Airsoft explains on this video why the new GHK URGI Gas Blowback Rifle is his favourite rifle for Milsim use. If you are looking for one, it should be available at most authorised GHK sellers worldwide... "The moment I saw on of these I knew I had to have one! this is my review of the GHK 10.3 URGI - Airsoft GBBR."