SA M4 Keymod Gen2 (SA-F02 FLEX™ HAL ETU™) – Black

Specna Arms M4 Keymod Gen2 (SA-F02 FLEX™ HAL ETU™) in black finish is a high-performance airsoft rifle with 115 m/s power and upgraded internals. It features a HAL ETU™ processor unit with pre-cocking and trigger sensitivity adjustment. The nylon body and Keymod handguard ensure excellent handling, while the TDC hop-up chamber with Helium™ flat bucking delivers great accuracy.

Technical Specifications

• Platform: M4 / AR-15

• Series: FLEX™ Gen2

• Length: 790-875 mm

• Weight: 2340 g

• Power Source: AEG

• Unit: HAL ETU™

• Gearbox: Æther™ V2 QSC

• Quick Spring Change: Yes (ESA™)

• Hop-up: TDC

• Inner Barrel: 6.03 mm

• Velocity: 115 m/s

• Bearings: 8 mm

• Connector: T-Dean

• Body Material: Fiber-reinforced nylon

• Handguard: Keymod

• Thread: 14 mm CCW

Package Contents

• Specna Arms M4 Keymod FLEX™ Gen2

• Hi-cap magazine (300 BBs)

• Flip-up sights

• M90 spring

• Specna Arms stickers

• User manual

Important Setup Instructions

To use the rifle, you must activate the HAL ETU unit by following these steps, otherwise the gun will not respond:

1. Set the fire selector to Safe

2. Connect the battery and wait 3 seconds until you hear a beep

3. Pull and hold the trigger for 5 seconds until another beep is heard

4. The rifle is now ready to use