Airsoft Surgeon puts some magic dust on his R.E. Hop Up Rubber as it can increase the range of the KWC 1911 pistol by 40%. Watch this video by RedWolf Airsoft TV to find out more... "The all new Airsoft Surgeon RWA 1911 R.E. Hop-Up Rubber for RWA/KWC/Cybergun/Elite Force Co2 1911 & Cybergun KWC Tanfoglio is a long awaited item that is designed to revolutionize the hop up and accuracy performance of the following series. Get 40% more range out of your KWC 1911 based pistol!"