SA-F14 FLEX Gen.2 HAL ETU Airsoft rifle

The SA-F14 FLEX Gen.2 HAL ETU airsoft carbine from Specna Arms is designed to deliver field-ready performance with an affordable price tag. Built to meet the needs of aggressive CQB, fast-paced skirmishes, and upgrade-minded players, this replica blends a lightweight nylon-fibre body with a precision internals package that you can trust straight out of the box. Its FLEX Gen.2 heritage emphasizes reliability, modularity, and a user experience that stays consistent even after long days on the field. The HAL ETU electronic trigger unit provides advanced control without sacrificing simplicity, so you can focus on the game rather than fumbling with menus. For additional options, explore our airsoft rifles catalog to compare similar platforms from Specna Arms and other respected brands.

What makes the SA-F14 FLEX Gen.2 HAL ETU stand out

• Top-Down Center Hop-Up (TDC Magnus) chamber with a European Patent (015052069-0001) for precise, stable BB stabilization and easy, repeatable adjustment. This design reduces flight yaw and improves grouping at mid- to long-range engagements.
• Helium Flat Hop Eraser to stabilize the BB’s undercurve, helping maintain consistent accuracy across shots.
• Aluminium sealed nozzle for reliable seal and reduced air leaks under high-rate fire.
• Æther™ Gearbox and reinforced frame with pre-cocking AoE inspection windows, designed for durability under heavy use.
• Ready for M140 springs meaning you can tune ROF and power to match field rules and local regulations without swapping platforms.
• ESA™ quick-change spring system to adapt the replica’s power on the fly, without disassembly – ideal for changing conditions or field limits.
• Lightweight, rugged construction with a nylon-fibre reinforced polymer body and critical metal components for durability in rough play.
• 8mm plain bearings, steel gears, and a 6.03mm precision barrel deliver dependable performance with smooth cycling and improved accuracy.
• eSA (ESA™) quick-change system supports rapid spring changes for field adaptability, reducing downtime between games. For details on upgrade pathways, see our Gearbox components.
• Light Ops Stock with ergonomic grip and folding front sight, plus M-LOK front sight mounting for accessory versatility. Learn more about our accessories collection to customize your setup.
• FLEX Gen.2 design language emphasizes a compact, balanced form factor that remains comfortable during extended skirmishes.

HAL ETU: programmable fire control for real field versatility

• Trigger detection via magnetic sensors and Hall effect, delivering precise, repeatable response even under rapid trigger work. Verified by Specna Arms HAL ETU documentation.“
• Active brake and binary trigger for fast, controlled muzzle behavior and enhanced trigger feel.
• Adjustable trigger sensitivity (5 levels from 20% to 100%) and adjustable pre-cocking (6 levels) to tailor feel to your style.
• AUTO programmable modes (full auto, semi, 3-round burst, 5-round burst) and sEMI programmable modes (semi, binary, AUG, sniper) for adaptable tactics on the fly.
• Easy programming via trigger and low-battery alarm for reliable operation during long games.
• Compatible with brushless motors for high-torque builds and sustained ROF.
• The AUTO function fires a 3-round burst first, then continues in Full Auto. This helps manage BB consumption and keeps triggers under control in dense exchanges.

All features above are implemented within a replica primarily composed of nylon reinforced polymer with critical metal components (e.g., flame suppressor, external barrel, shell ejection, fire mode switch and more) for a balanced mix of weight, response, and durability. For players seeking authoritative performance data and official HAL ETU capabilities, see our Specna Arms product family and the HAL ETU feature set documented by the manufacturer.

Internal build and field-ready reliability

• Internal components include 8mm bearings, steel gears, and a polycarbonate piston with full steel teeth for robust, repeatable cycling under high ROF.
• A 6.03mm precision barrel supports tight groupings and predictable BB flight, especially when aligned with the TDC Magnus hop-up system.
• The model uses a folding sighting instrument and M-LOK front sight for modular accessory mounting, enabling fast optic or accessory swaps in the field.
• Designed around the Æther™ Gearbox and reinforced frame to withstand competitive play and periodic maintenance without surrendering performance.

Who is this rifle for and how it solves real-world needs

• Players who want plug-and-play reliability with advanced electronic control, not endless tinkering. The HAL ETU system reduces guesswork in trigger response and ROF tuning.
• Fields with strict power restrictions benefit from the ESA quick-change spring system and support for M140 springs, allowing rapid power adjustments without tools.
• CQB specialists, RMA-style skirmishers, and objective-focused teams gain from the balanced weight, compact form, and ergonomic stock design (Light Ops Stock) for steady shooting while moving.
• Upgrade enthusiasts can leverage internal components and a clear upgrade path (e.g., gears, barrel, hop-up, and gearbox enhancements) through our gearbox and parts collection.

What’s in the box

Package include: S-Mag Hi-Ca

To explore more from Specna Arms or compare similar FLEX Gen.2 builds, browse the Specna Arms range and our broader airsoft rifles catalog. For field-ready upgrades and accessories, check our gearbox parts and accessories collection as you tailor the SA-F14 FLEX Gen.2 HAL ETU to your playstyle.

Battery included	No
Bearings diameter [mm]	8
Blow Back	No
Colour	Black
Product length [cm]	75
Product weight [g]	2130
Power supply	Electric
Material	Aluminum Plastic
Muzzle velocity [FPS]	410
Fire mode	Full-auto Adjusted burst Semi-auto
Gearbox version	Gearbox v2
Hop-Up	Yes
Inner barrel length [mm].	230
Length minimal [mm]	670
Magazine capacity [pcs.]	300
MOSFET/ETU	Yes
Quick Spring Change system	Yes
Type of plug	DEANS / T-connect
Type of thread on the barrel	14mm CCW