Lancer Tactical Battle Hawk 4" has a skeletonized upper and lower receiver for lightweight CQB gameplay. This series features a metal barrel assembly, upper and lower receiver, a full metal handguard and a CNC buffer tube. Altogether, this pulls together a tough airsoft rifle with upgraded reliable and responsive internals to handle any battle.The Lancer Tactical Battle Hawk is equipped with a 6.03mm tight bore inner for improved accuracy and range. Additionally, the injected polymer rotary style hop-up unit effortlessly spins the BB consistently for dependable shots down the field. There are 18:1 reinforced steel gears for a quick cycling rate with ultra smooth 8mm bushings to enhance the operational smoothness of the gearbox. The 25k neodymium magnet high speed provides incredible efficiency with low resistance copper wiring and battery protection. When low voltage is detected from a drained battery, an automatic cut off will keep your battery from draining completely to increase battery health. Another feature of the rifle is the quick change spring system that allows for adjustments from CQB or outdoor fields, and an M-LOK rail for attaching foregrips, flashlights, or any other M-LOK attachment.In the Box1x Rifle1x Magazine1x Flip-up Front Sight1x Flip-up Rear Sight1x Morale Patch1x ManualSpecifications:Brand: Lancer TacticalOperation: Electric AutomaticMaterial: Nylon Polymer Upper and Lower Receivers, Buffer Tube, Stock, Motor Grip / Metal Rail System, Outer BarrelFiring Modes: Semi-Automatic, Full-Automatic, SafetyMuzzle Velocity: 370-395 FPS (With 0.20g BBs)Gearbox: Full Metal Version 2Battery: 11.1V Stick Recommended (Battery and Charger Not Included)Connector: Mini TamiyaHop-up: Yes, Adjustable (Rotary)Inner Barrel Length: 6.03mmColor: BlackCalifornia Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov