Specna Arms SA-F12 FLEX™ Gen.2 M4A1 AEG – X-ASR MOSFET Black
£134.99
Specna Arms SA-F12 FLEX™ Gen.2 M4A1 AEG delivers reliable performance with X-ASR MOSFET electronics and switchable fire modes. Compact 800 mm design, 320 FPS, and full 20mm RIS compatibility for skirmish and milsim use.
The Specna Arms SA-F12 FLEX™ Gen.2 is a battle-proven M4A1-pattern AEG engineered for UK skirmishers and milsim players who demand compact firepower without compromise. Built on a V2 gearbox platform and fitted with the trusted X-ASR MOSFET system, this rifle balances rate of fire control, durability, and user-friendly customisation.
Key Features
- X-ASR MOSFET electronics – safe trigger response and cycle consistency
- Selectable fire modes – safe, semi-automatic, and full automatic
- Compact 800 mm length – ideal for indoor and outdoor skirmish
- 300-round high-capacity magazine – extended engagement time between reloads
- 20mm RIS/RAS rail system – full accessory mounting freedom (optics, flashlights, fore grips)
- Rotary hop-up – precision range tuning and easy adjustment
- M4 Crane stock – multi-position adjustment for stance preference
Real-World Use Cases
The SA-F12 FLEX excels in fast-paced skirmish scenarios where maneuverability matters. Its compact profile suits CQB-heavy sites and woodland runs alike. Milsim players appreciate the authentic M4A1 receiver profile and modular rail system for building loadout-specific configurations. The 320 FPS output sits comfortably within most UK site chronograph limits (typically 350–370 FPS for AEGs), making chronoing and field deployment hassle-free.
Technical Specifications
- Product type: Airsoft AEG Assault Rifle
- Velocity: 320 FPS (0.2g BBs)
- Length: 800 mm
- Weight: 2.2 kg
- Gearbox: V2 (standard compatibility)
- Motor: Standard DC brushed
- Hop-up: Rotary (infinite adjustment)
- Rail system: 20mm RIS/RAS with Picatinny receiver rails
- Stock: M4 Crane stock, multi-position
- Magazine capacity: 300 rounds (high-capacity)
- Battery: 7.4V LiPo with Deans connector
- Firing modes: Safe, semi-automatic, full automatic
- Colours: Black, Half-Tan
Compatibility & Upgrades
The SA-F12 FLEX accepts all standard AEG M4 magazines, including high-capacity and wheel-wound variants. The V2 gearbox platform opens the door to aftermarket gear sets, tappet plates, and spring upgrades should you wish to fine-tune performance later. The 20mm RIS receiver rail accommodates any Picatinny-pattern optic, laser, or light module. Battery-wise, 7.4V LiPo is recommended; 9.6V alternatives are possible but may stress stock components during extended play.
UK Legal & Site Notes
As a two-stage trigger AEG under 1.48 joules, the SA-F12 FLEX meets UK airsoft legal requirements without UKARA exemption when used on dedicated airsoft sites. Always chrono before play and carry proof of age (11+ physical ID recommended). Check with your local site for fps limits—many operate a 350 fps ceiling for AEGs, leaving headroom with this rifle’s 320 fps output.
Whether you’re upgrading from a starter rifle or seeking a dependable secondary platform, the Specna Arms SA-F12 FLEX Gen.2 punches above its price point. Order today and ship with confidence from Airsoftdirect.
| Quantity | 47372rnd Standard, 47373rnd Standard |
|---|---|
| Brand | |
| pa_platform-type | Assault Rifle |
| pa_colour | Black, Half-Tan |
| pa_powered-by | Electric |
| pa_fire-modes | Safe, Semi-Automatic, Full-Automatic |
| pa_fps | Approx.320fps ± 10% |
| pa_weight | Approx.2.2KG |
| pa_length | 80cm |
| pa_rail-system | 20mm RIS / RAS, 20mm Railed Receiver |
| pa_stock-type | Sliding, M4 Crane Stock, Multi-Position |
| pa_sight-type | Iron Sights, Aperture Iron Sight |
| pa_barrel-diameter | 6.03mm |
| pa_magazine-type | AEG, High Capacity, Wheel Wound |
| pa_magazine-capacity | Approx.300Rounds |
| pa_gearbox-version | V2 |
| pa_motor-type | Standard |
| pa_battery-voltage | 7.4V |
| pa_battery-connector | Deans |
| pa_ukara-required | Yes |
| pa_skill-level | Beginner Player |
Related products
