Features Fully licensed by F4 Defense; Authentic licensed F4 Defense designed machined aluminum receiver with F4 trademarks, true to its real rifle counterpart 9.5" Machined aluminum F4 Defense licensed Adaptive Rail System Lite (ARS-L) feature Picatinny attachment points at the front with MLOK throughout the length of the handguard High quality EMG furniture; EMG Bravo retractable stock, EMG Delta grip, and EMG stubby vertical grip EMG Bravo Compact stock is mated to a 5-position compact buffer tube for length of pull adjustment Ambidextrous 90-degree selector switch Rotary hopup with 6.01mm inner barrel provides precise hop adjustment and consistent accuracy 8mm bearing Ver.2 QD Gearbox with built-in Acetech MOSFET and High Torque Motor 9" aluminum PDW-length outer barrel Manufacturer: EMG Licensed by F4 Defense FPS Range: 310-330 Specifications: Length: 605mm - 665mm (Adjustable) Weight: 4.9bs Inner Barrel: ~255mm 6.01mm Inner Diameter Magazine Capacity: 120rd Mid-Capacity Hex Magazine (Works with Tokyo Marui, Matrix, EMG, and other similar M4 AEG magazines) Thread Direction: 14mm- Gearbox: Dytac Ver.2 QD 8mm w/ Acetech MOSFET Battery: 7.4v 1000mAh Stick Type LiPo recommended (Wired to buffer tube w/ Deans-style T-Plug connector. Battery not included) Fire Modes: Semi/Full-Auto, Safety Hopup: Yes, Adjustable Package Includes: Gun, Magazine, EMG Vertical Grip