STAR M4 SIR-M AEG *

- Material: Nylon Fiber / Aluminum Alloy / Steel
- Fire Mode: Safe / Semi-Suto / Full Auto
- Motor: High Torque Flat Motor
- Magazine: 140 Rounds (6mm)
- Overall Length: 782 - 872mm
- Hop-Up: Adjustable
- Muzzle Velocity: 320-340FPS (with 0.2g BB bullet)
- Battery: Mini Type (Not Included)
- Package Includes: (Gun, Magazine, BB Loader & Box)

Features:
- STAR Original Easy Power Step Up Metal Gear Box
- Bolt Locking & Functional Bolt Catch
- Real Marking Magazine
- Aluminum Receiver With CNC Marking
- Can Fit Real Steel or Copy Buffer Tube & Butt Stock
- Decent Lower Receiver
- Steel Trigger