Specna Arms SA-F03 Flex M4 AEG Rifle

Specna Arms proudly presents the FLEX ™ line of replicas. An affordable price combined with an innovative quick spring change system, great performance straight out of the box and high-quality components makes this series an excellent choice for both beginners and experienced airsoft players alike.   

The receiver, the stock tube with the enlarged SF type stock housing the battery, as well as the front in the M-LOK standard and the pistol grip are made out of polymer plastic reinforced with nylon fiber. Other components, such as the barrel, flash hider and the enlarged reloading handle are made out of metal (all screws, pins, the case ejector flap and dummy bolt are made out of steel). There are markings and a serial number on the receiver.

Features:

• Front in the M-LOK standard
• Flip-up sights.
• The barrel of the replica has a 14mm CCW thread
• The replica has been fully adapted to work with LiPo and LiFe batteries. 

Inside the replica you will find:

• ESA ™ quick spring change system. This allows for quick and efficient adjustment of the replicas muzzle velocity. 
• 8mm plain bearings. 
• Steel gears. -Polycarbonate plastic piston with a full steel jaw.
• Rotary hop up chamber.
• 6,03mm Precision Barrell.

The set does not include a battery or a charger.

The set includes:

• AEG
• Magazine
• Additional M90 Main Spring
• User’s Manual
• QC Certificate