AirLab sent in news that thet have the upgrade parts from Laylax/Promotheus are available at their online store... "LayLax are a Japanese manufacturer of some of the highest quality products in the airsoft world. They make almost everything you can think of, from internal AEG parts to airsoft clothing and gear. They use several different brand names such as Prometheus (AEG internals), NineBall (pistol parts), PSS (sniper parts) and First Factory (rifle externals).