Manufacturer: Umarex / Elite Force Length: 420mm / 580mm (Collapsed / Extended) Weight: 1880g Inner Barrel: ~200mm Magazine Capacity: 40rds Muzzle Velocity: 370 FPS Gas Type: Green Gas, Propane Fire Modes: Semi/Full-Auto, Safety Pros: Fully licensed by H&K; True 1:1 scale replica Hard kick blowback design Front 20mm accessory rails Top optic rail Front and rear low-pro sights flip up to full-sized sights Metal collapsible stock