Full Metal Hinged Receiver 25,000 High Torque Motor Li-Po Ready (Wired to Deans) ETU Installed for 3 Round Burst Pre-installed MOSFET Enlarged Trigger Guard Metal Rotary Hop-up Improved Ergonomic GripManufacturer G&GConstruction Metal / PolymerWeight 6.5 lbsLength 35.2 Inches (894 mm)Barrel Length 16 Inches (407 mm)Color BlackCapacity 40 Round MagazineHop-Up Yes, AdjustableVelocity 330 FPSFiring Modes Burst / Semi-Auto / Full-Auto / SafetyBattery 11.1V LiPo (Not Included)In the Box 1x Gun 1x Magazine 1x Manual