M4 SIR MIDDLE

SKU: AR-019E
Sale price$435.00
Sold out

FEATURES

  • Metal Upper & Lower Receivers
  • Aluminum Flash Hider & Outer Barrel
    • Reinforced Metal Gearbox
      • Full Steel Gear Set
        • Functional Bolt Locking System
          • Hand Guard / Stock Battery Compartment
            • Flip-Up Rear Sight
            • Retractable Stock
            PRODUCT SPECIFICATIONS
            Motor High Torque Motor
            EFCS Gearbox M4 Gearbox (EFCS)
            Material Metal + Nylon Fiber
            Hop-Up Adjustable
            Weight 3800g
            Length 780mm/860mm