The F1 is compatible with virtually every AEG gearbox

Adjustable velocity

steel gear set

The recoil spring assembly is held in place by the slide stop levers axis pin and a round cut-out at the front of the slide

G&G Raider 2.0 Airsoft AEG w/ Deans Connector Airsoft HK USP The F1 is compatible withSome products may ship directly from manufacturer and can take a few extra days to ship as we cannot carry everything in our warehouse. Firing Mode: Semi, Full Auto Reciver: Fiber Reinforced Polymer Foregrip: Fiber Reinforced Polymer (M Lok Rail System) Length: 715mm Magazine: 450rd Hi Cap Magazine Inner Barrel: 275mm Adjustable Rotary HopUp Flip Up front and rear sights Weight: 4. 5lbs FPS: 320 350FPS w . 20g BBs Pre wired to deans