Specna Arms SA-F12 FLEX™ GATE X-ASR Gen.2 M4 airsoft rifle

Product description

Modern M4 Airsoft Carbine with Quad Rails, GATE MOSFET, and Reinforced Gearbox

Specna Arms SA-F12 FLEX™ is a modern M4 airsoft carbine from the Gen.2 series, designed for players who want to combine high performance with accessory flexibility. With its quad-rail handguard, you get more mounting options for grips, lights, lasers, and optics compared to the classic M4 design. Thanks to the factory-installed GATE X-ASR MOSFET, Ather™ reinforced gearbox, TDC Magnus™ rotary hop-up, and quick change spring system (ESA™), the SA-F12 delivers reliable performance right out of the box. The longer precision barrel (370 mm) offers better range and accuracy, making the model especially well-suited for outdoor play. The body in nylon fiber-reinforced polymer makes the weapon lighter, while the barrel, rails, and controls are metal for durability. The result is a well-balanced carbine that combines durability and function.

Features

• M4 Platform: Compatible with standard M4 magazines and accessories
• Handguard: Quad-rail (20 mm) for mounting lights, grips, sights, and other accessories
• Hop-up: TDC Magnus™ rotary hop-up (EU patent)
• Gearbox: Ather™ reinforced frame (Gearbox v2) with inspection window
• Nozzle: Sealed aluminum
• MOSFET: Factory-mounted GATE X-ASR with diagnostics function
• Precision: 6.03 mm inner barrel, length 370 mm
• Power Source: Electric, designed for LiPo and LiFe batteries
• Quick change: ESA™ system for quick spring change
• Muzzle Velocity: approx. 390 FPS (~119 m/s) with standard spring or approx. 300 FPS (~91 m/s) with included M90 spring

Internal Parts

• 8 mm bearings
• Steel gears
• Polycarbonate piston with steel teeth
• Steel cut-off lever
• Helium™ flat hop rubber

Included in the Package

• Specna Arms SA-F12 FLEX™ GATE X-ASR Gen.2 M4 Carbine
• Hi-Cap S-Mag magazine, 300 BB
• Adapter (Small Tamiya → Deans)
• Extra M90 spring
• Vertical grip
• Cleaning rod
• GATE X-ASR diagnostics card

Not Included

• Battery (recommended 7.4V LiPo, split/nun-chuck for stock)
• Charger

Specifications

Weight:	2540 g
Length:	890 mm
Length (min):	805 mm
Barrel Length:	370 mm
Caliber:	6 mm BB
Magazine:	Hi-Cap, 300 BB (M4-compatible)
Muzzle Velocity:	approx. 390 FPS (~119 m/s) / 300 FPS (~91 m/s with M90)
Blowback:	No
Fire Mode:	Semi-auto
Gearbox Version:	v2
MOSFET/ETU:	Yes, GATE X-ASR
Quick Spring Change:	Yes, ESA™
Battery:	7.4V LiPo (split/nun-chuck, placed in stock)
Battery Connector:	DEANS/T-plug (adapter included)
Thread:	14 mm CCW
Rail:	Quad-rail 20 mm
Color:	Black

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