Evike.com has this complete package for US$220.00 and this will get you into the skirmish immediately, provided that you charge the battery that comes with the package fist... "King Arms Colt M4A1 Carbine Airsoft AEG Rifle w/ Nylon Fiber Receiver, Battery & Charger. This King Arms M4 carbine release is made for gamers who wants realism, durability and a light weight rifle. The new nylon fiber receiver is both durable and light weight, an ideal game gun for those looking for a M4 carbine.

• Length: 770mm-850mm
• Weight: 2450g
• Firing Mode: Semi / Full-Auto, Safe
• Muzzle Velocity: ~350-380 FPS
• Magazine: 300rd Hi-Capacity magazine included. Use all M4 hi-cap magazines here at Evike.com!
• Battery: 8.4v or 9.6v Small Type / Butterfly type (8.4v Battery and Wall Charger Included)
• Package Includes: Gun, Magazine, Battery, Charger, Manual
• Manufacturer: King Arms (Colt logo licensed by SoftAir)
• Motor: Long Type
• Inner Barrel: 363mm
• Outer Barrel Thread: 14mm Negative.
• Hopup: Adjustable
• Gearbox: King Arms V.2 / 7mm / Fully Upgradable / Full Metal.
• Range: 70~120 feet
• BB: Recommended 0.20g or heavier Matrix & compatible high grade Airsoft BBs only

Features:

• High Strength Nylon Fiber Receiver.
• Fully Licensed Colt Trademarks
• Reinforced Full Metal 7mm Gearbox.
• Detachable Carry Handle.
• Flat top Receiver for optics.
• 6 Position Retractable LE Stock w/ Metal buffer tube.
• Adjustable Hopup.
• Hi-cap magazine included"