Airsoft Arms new stock... "The Echo 1 M4A1 Tactical Carbine is designed for fast action and light weight. It's sighting system also features dual apertures. These unique characteristics make it a very versatile weapon and very useful in urban warfare situations.  Thanks to it's popularity, the range of options available for the M4 series airsoft guns are endless. This robust rifle can fulfill nearly every tactical role from close quarters battles to long range airsoft combat.

Features Include:

• Adjustable Rear Sight
• Adjustable Hop-Up
• Fixed Butt Stock
• Counter-Clockwise Threaded Outer Barrel (14mm)

Metal Parts:

• Barrel Assembly
• Trigger
• Handle
• Sling Mounts
• Charging Handle
• Body Pins

Specifications:

• Gearbox Type: Type 2
• Magazine Capacity: 300 rounds
• Length: 680mm
• Height: 225m
• Muzzle Velocity: 350fps
• Accuracy: 120 feet
• Battery Pack Size: Small Battery
• Package Includes: Manual, HI-Cap Magazine, Loader, Battery, Charger, Cleaning Rod, 200 pcs 0.2BBs"