New in stock at Evike.com which you can get for US$170.00... "This is the newest SRC sportsline M4 Rifle that rocks! Everything you look for in a M4 carbine ready to perform and snipe. Package comes complete with battery, charger and sportsline rifle. Manufacture direct pricing with the best after-sales support and newest version only from Evike.com! (Here at Evike.com, our SRC rifles comes with better motor, gears, internal parts and more!)

• Gearbox: Ver. II Full metal Gearbox. Metal Reinforced 6mm metal Bushings, M110 Spring. Marui Compatible and fully customizable.
• Fire Mode: Full Auto / Semi Auto and Safety.
• Muzzle Velocity: 340-390 FPS w/ 0.20g
• Range: 70~120 feet.
• Outer barrel thread: 14mm negative.
• Inner Barrel: 363mm.
• Hop-up: Adjustable
• Outer Barrel Thread: 14mm Negative.
• Motor: Long Type. Heat Resistance Ultra High Torque
• Magazine: 300 Round M4 Hi-Cap magazine included.
• Battery Type: Small Type or Nun Chuck Type
• BB: 6mm. Matrix or compatible high grade bbs recommended.
• Package Includes: Battery, Charger, Hicap Mag

Features:

• Steel Gear and Bushing.
• Hard ABS Polymer Sports Line Light Weight Receiver.
• Aluminum Outer Barrel.
• Tokyo Marui Compatible.
• Functional Charging Handle.
• Adjustable Hopup.
• Adjustable rear sight.
• Detachable carrying handled.
• Fully upgradable gearbox.
• Reinforced internal gearbox.
• Removable Carrying Handle with scope ready weaver base.
• 6 Position Retractable LE stock."