Airsoft Master got in stock the new KWA VM4 Ronin 10 SBR, one of the new AEGs from KWA with adjustable FPS... "The KWA VM4 Ronin 10 SBR has an adjustable FPS feature. It can be set from 380FPS at its lowest setting to 430FPS at its highest setting. It has an ambidextrous fire selector switch, PTS Enhanced flip up sights, PTS pistol grip, and PTS Enhanced retractable stock. Comes with full metal body and keymod rail system making it solid to hold. A 6.05mm tight bore and rotary hop up unit for accuracy."