Modular rail system with top Picatinny rail Long fluted outer barrel with integrated carry handle Top optics rails for mounting scopes Retractable modern stock with cheek riser Adjustable front and rear iron sights Upgradable full metal Version 2 gearbox with 7mm bearings Curved trigger with A2 style motor pistol grip High-capacity box magazine with faux 5.56-style ammo belt Box magazine battery powered with auto and sound control settings Magazine winding and front iron sight adjustment tools included In the Box 1X Rifle 1X Box Magazine 1X Mock Bullet Belt 1X Cleaning Rod 1X Front Sight Tool 1X Magazine Wind-up Tool 1X Sample Bag of BBs Specifications: Brand Golden EagleOperation Electric AutomaticBuild Metal Upper and Lower Receivers, Outer Barrel, Rail System / Polymer Stock, Motor GripFiring Modes Semi-Automatic, w/ SafetyMuzzle Velocity 420 - 430 FPS (w/ 0.20g BBs)Gearbox Full Metal Version 2Battery 7.4V LiPo Stick (1100/1000 mAh) or 11.1V LiPo Stick (1000 mAh) [not included]Connector Mini TamiyaMagazine Capacity 2,600 Rounds (High Capacity)Hop-Up Yes, AdjustableLength 31.75 - 34 (Retracted / Extended)Weight 7.1 lbsColor Black California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov