Features: Durable full metal upper and lower receiver Full length top rail is ideal for mounting optics or other accessories 16" M-LOK slots along the length of the rail at 3, 6 and 9 o'clock allow you to mount M-LOK compatible attachments Adjustable crane stock Metal version 2.5 gearbox is easily upgradeable Rear mounted ambidextrous QD sling point Locking mock bolt for easy hop-up adjustment Ergonomic A2 style motor grip Ambidextrous fire selector, magazine and bolt release Length 870-960mm Adjustable Weight 6.5lbs Inner Barrel 410mm Material Aluminum Alloy Magazine Capacity 100rd G2H Midcap Muzzle Velocity 390fps (0.20g bbs) Thread Direction 14mm CCW Gearbox Version 2.5 Extended Type Fire Modes Safety, Semi, & Full Auto Stock Type Crane Recommended Battery 11.1v LiPo 1000mAh Stick or Nun-Chuck Battery Location Stock Manufacturer E&C Warranty 30 Days (Manufacturer) BATTERY & CHARGER NOT INCLUDED