EXTERNAL CHARACTERISTICS:
Full metal replica with a CNC reworked handguard
Standard Picatinny upper & lower rails
6-position adjustable stock and telescopic stock to adjust the length of the replica to fit all body types
The Colt M4 assault rifle is equipped with two Flip-up polymer sights:
- The front sight on the front of the replica adjustable in elevation
- The rear sight on the replica, adjustable in drift thanks to a notched wheel
 
THE INTERNAL OF THE REPLICA:
Gearbox V2 with 8mm ball bearing to reduce friction during the rotation of gears
Adjustable hop up, allowing to significantly increase the range of shooting, as well as the accuracy of the replica
14-tooth steel piston for improved responsiveness, rate of fire and durability
6.03 mm barrel provides greater stability and accuracy when firing
Equipped with a quick spring change
Equipped with a Delayer for a better supply of pellets in the hop up block, thus reducing the risk of misfeed in bursts

Contains:
1 x COLT M4 Airline Mod B Black (ref: 180858)
1 x spare spring 1,2 J
1 x 9,6 v 1100 mAh battery
1 x battery charger
1 x magazine 300 BBs