Replica Airsoft copy of M4 Flex SA-F04 HAL ETU Gen II (Specna Arms)

Specna Arms SA-F04-RL FLEX™ Gen.2 BLDC™ HAL ETU™ Airsoft Carbine (featuring Light Ops Stock & New Receiver)

The BLDC™ (Brushless Direct Current) motor is a DC motor in which the traditional brushes responsible for current transmission have been eliminated.

no sparking
longer lifespan (no wearing parts)
stable performance even at high speeds
high energy efficiency
quiet operation
low heat generation
immediate trigger response
high torque from the start
allows the use of stiff springs without loss of performance or rotational speed

Specna Arms Flex Gen.2 carbines were developed to deliver the best possible performance at an attractive price. Built on experience, passion, and dedication, these rifles have been redesigned to achieve superior performance, providing the user with a factory-ready product capable of handling any task on the airsoft field. To this end, the Flex Gen.2 has been equipped with, among other things:

- A rotary Magnus™ TDC (Top Down Center) Hop-Up chamber allowing for very precise and stable adjustment (covered by European patent number 015052069-0001)
- Helium™ Flat Hop Eraser to improve BB flight stability
- Sealed aluminum nozzle
- Æther™ Gearbox – reinforced shell (covered by European patent number: 015044865-0001), featuring:

main spring release function
windows for pre-cocking and AoE inspection
reinforced front section
inspection windows to facilitate shimming
trigger adjustment function
screw holes for shell alignment
Ready for use with M140 springs

HAL™ system features:
-magnetic/Hall effect-based trigger detection
-active brake
-binary trigger
-adjustable trigger sensitivity (5 levels from 20% to 100%)
-adjustable pre-cocking (6 levels)
-programmable AUTO firing modes (full auto, semi, 3-round burst, 5-round burst)
-programmable SEMI firing modes (semi, binary, AUG, sniper)
-easy programming via the trigger
-low battery alarm
-compatible with brushless motors

**The AUTO function fires a 3-round burst first, followed by full auto fire.

The replica is primarily constructed from nylon fiber-reinforced polymer and metal parts. The polymer used is characterized by high durability, a textured finish, and a matte color. Key components are made of metal, including the flash hider, outer barrel, mock bolt carrier, ejection port cover, fire mode selector, cylinder head release button, magazine, QD stock mounts, pins, and charging handle.
The barrel features a proprietary Specna Arms design that combines aesthetics with excellent ergonomics. Every element has been manufactured and assembled with meticulous attention to detail. The model features enlarged ambidextrous controls (selector and magazine release) and a functional bolt catch.

The Light Ops stock is a minimalist design that is lightweight and boasts a sleek, modern look. It features non-slip rubber pads on both sides of the cheek rest and a distinctive curved rubber butt pad that sits comfortably against the shoulder.

In addition to the aforementioned internal components (Magnus™ TDC hop-up chamber, Æther™ gearbox shell, Helium™ flat hop bucking, sealed aluminum nozzle), the replica contains:

- 8mm bearings
- steel gears
- polycarbonate piston with full steel teeth
- high-quality 6.03mm precision inner barrel
- efficient Specna Arms Dark Matter™ High Speed ​​27k brushless motor

The replica utilizes the ESA™ quick-change spring system. This allows you to quickly and effectively adjust the replica's power to match expected field conditions without needing a workshop or a specialized set of tools.

Replica features:
- lightweight and compact design.
- functional bolt catch.
- ambidextrous controls.
- HAL™ system.
- Light Ops stock. - Ergonomic pistol grip.
- M-LOK compatible handguard.
- ESA™ quick-change spring system.
- Flip-up sights.
- Specna Arms Dark Matter™ High-Speed ​​27k high-performance brushless motor.

Package includes:
2 x S-MAG mid-cap magazines
Cleaning rod
Replica
Allen key
Small Tamiya to Deans adapter
BB speed loader
Additional M90 spring
Not included:

The kit does not include the battery or battery charger.
NOTE!!!

When starting up the replica for the first time, immediately after connecting the battery, hold...