Specna Arms - F12 FLEX™ Gen.2 – Electric Softgun Rifle

Specna Arms SA-F12 FLEX™ Gen. 2 – M4/M15 inspired airsoft carbine with GATE X-ASR

Gen. 2 – improved version of the popular FLEX™ series

The Specna Arms SA-F12 FLEX™ Gen. 2 is a solid airsoft replica based on the iconic M4/M15 platform. As part of the Gen. 2 series, the model has received significant internal improvements, which provide significantly better performance, precision and experience - at a still very attractive price. An ideal starter weapon for new players as well as experienced ones who want a lot of quality for the money.

GATE X-ASR MOSFET – top-class electronics

This model comes pre-assembled with GATE X-ASR, an advanced MOSFET that improves trigger response, protects the electronics and battery, and gives you built-in error diagnostics via LED light – perfect safety and ease of use for beginners.

Flexible and improved internal components

• TDC Magnus™ Rotary Hop-Up: provides a smooth and precise ball trajectory.
• Æther™ V2 gearbox: reinforced chassis, inspection windows, and ready for upgrade with M140 springs.
• Helium™ Flat Hop Eraser: ensures accuracy over longer distances.
• 6.03 mm precision barrel – high precision.
• ESA™ Quick Spring Change – change springs and adjust FPS quickly without tools.

Perfect for both indoor and outdoor play

With the original spring, the rifle produces approx. 390 FPS, ideal for outdoor ranges. Switch to the included M90 spring for ~300 FPS - optimal for CQB/indoor play. Great versatility for different gaming environments.

Lightweight design and solid craftsmanship

• Frame, pistol grip, front and stock in nylon-reinforced polymer – lightweight but robust.
• The use of aluminum and ZnAl alloys provides increased durability.
• Steel details at critical points: screws, ejector, QD mount and manipulators.
• Vertical grip included for better handling during gaming.
• Precise fit – no play between the receiver parts.
• Low weight (approx. 2540 g) – ideal for fast and dynamic games.

Specifications

• Platform: M4/M15
• Series: FLEX™ Gen. 2
• Weight: 2540g
• Length: 80.5–89 cm
• Inner barrel: 370 mm
• Magazine capacity: 300 BB (Hi-Cap)
• Muzzle velocity: ~390 FPS (M90 spring gives ~300 FPS)
• Gearbox: Æther™ V2 with 8mm bearings
• Material: Polymer, aluminium, steel
• Plug type: DEANS/T-connector

The Specna Arms SA-F12 FLEX™ Gen. 2 is the perfect introduction to airsoft – affordable, reliable and flexible. A rifle you can grow with, whether you're a beginner or want a reliable secondary rifle.

Customers purchase the products at their own risk and are responsible for complying with all local legal requirements regarding the purchase, possession, use, or transport of the goods available in the online store.

This includes, but is not limited to, ASG (AIRSOFTs), air rifles, and paintball replicas, which may be subject to specific rules for weapons and ammunition.

Restrictions on the purchase, possession, use, or transport of these items may apply in the destination country, and the seller assumes no responsibility for this. Any fees or costs (including administrative fees, validation, tax, and customs) are the customer's responsibility.

The use of ASG (AIRSOFTs), air rifles, and paintball replicas requires proper safety measures and caution. These products are not intended for individuals under 18 years of age.