Specna Arms SA-F04-RL Flex Light Ops Stock New Receiver HAL ETU Gen. 2 AEG Assault Carbine - Black

Electric replica of the SA-F04 assault carbine in black, belonging to the Flex Gen. 2 series, newly upgraded to ensure enhanced performance straight out of the box. Outfitted with the ESA quick spring change system and the HAL ETU control module, enabling comprehensive customization to fit individual preferences. The model comes with a Light Ops stock. All structural elements of the replica are precision-fitted, resulting in seamless mechanism operation and consistent reliability.

Constructed from polymer reinforced with nylon fiber, the main body, receiver extension equipped with a Light Ops Stock, and pistol grip ensure optimal durability and lightweight performance. Metal components include the flash hider, outer barrel, dummy bolt, ejection port cover, fire selector, bolt release button, magazine catch, QD mounts on the stock, pins, and reloading lever. The distinctive Specna Arms receiver is fitted with ambidextrous, enlarged controls and a fully operational bolt catch.

Featuring a spinal RIS 22 mm rail, the model supports the installation of any optoelectronic equipment. The front section utilizes the M-LOK system equipped with three RIS 22 mm rails, providing mounting points for extra tactical accessories. Factory-installed mechanical flip-up sights are included. The Light Ops Stock, designed with a sliding mechanism, features an anti-slip recoil pad for customizable length adjustment to suit individual user preferences.

Featuring a TDC Magnus rotary Hop-Up chamber paired with a 6.03 mm diameter precision barrel, the model delivers enhanced range and accuracy. A Helium Flat Hop rubber ensures consistent BB spin for improved shot stability. The included flash hider is installed on a 14 mm counterclockwise thread, providing compatibility for mounting a sound suppressor if desired.

At the heart of the replica lies the Aether gearbox featuring a reinforced structure, providing the capability to fire BBs at a velocity of 390 FPS. The gearbox includes:

• Main spring quick-release system
• Pre-cocking function and AoE observation ports
• Strengthened front section
• Inspection ports for simplified shimming
• Trigger sensitivity adjustment
• Alignment holes for precise framework positioning
• Compatible with M140 springs

Furthermore, the replica integrates a TDC Magnus rotary Hop-Up unit for highly accurate settings. Enhanced consistency for BB spin is provided by the Helium Flat Hop bucking.

Model features the advanced HAL ETU trigger control system, which enhances replica handling and enables straightforward function programming via the trigger and fire selector. The HAL system delivers an array of options for fine-tuning the replica to the shooter's individual needs while ensuring operational safety, such as:

• trigger actuation detected with Hall effect magnetic sensors
• active braking function
• binary trigger capability
• five-stage trigger sensitivity adjustment ranging from 20% to 100%
• six-position pre-cocking adjustment
• customizable automatic firing modes including Full Auto, Semi, 3-round Burst, and 5-round Burst
• programmable modes for semi firing: Semi, Binary, AUG, and Sniper
• intuitive trigger-based programming
• low battery warning system
• support for brushless motors

Equipped with the ESA quick spring exchange system, the carbine allows you to adapt power levels to field requirements effortlessly, eliminating the need to dismantle the gearbox or use specialist equipment. Out of the box, the replica includes a factory-installed spring that delivers an initial muzzle velocity of 390 FPS, along with an extra M90 spring capable of lowering the output to 310 FPS. Full compatibility is ensured with both Li-Po and Li-Fe batteries.

• Replicated model
• S-Mag Hi-Cap mag
• Deans to Small Tamiya connector adapter
• Cleansing rod
• Allen key
• Extra M90 spring

• Equipped with an M-LOK handguard featuring integrated RIS rails
• Fitted with ambidextrous controls for versatile handling
• Features a Light Ops Stock type buttstock
• Built with a proprietary Specna Arms receiver
• Incorporates a 6.03 mm precision inner barrel
• Outfitted with a rotary Hop-Up unit
• Enhanced with a reinforced Aether gearbox
• Includes the Hal ETU module
• Offers the ESA quick spring change system
• Supplied with mechanical iron sights

Shade: Black
Construction: polymer, metal
Power supply: electric
Gearbox version: v2
Muzzle velocity: 390 FPS
Hop-Up unit: adjustable present
Type of magazine: Hi-Cap
Magazine holding capacity: 300 BBs
Length of inner barrel: 229 mm
Barrel threading: 14 mm CCW
Overall length: 670 - 750 mm
Total weight: 2125 g
Battery connector: DEANS / T-connect
Produced by: Specna Arms