Now available at Landwarrior Airsoft are the CPEs for the 1911 GBB Pistol from ASG... "The HERA-ARMS CPE (Conversion Pistol Extension) is a simple to use pistol housing that allows users to place optical sights, lasers, flashlights and other weaver rail accessories on their weapon. The CPE has an ergonomic design which provides improved weapon comfort and handling.