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DBOYS M4 S.I.R. RIS Full Metal Airsoft AEG Rifle


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  • Product Description

    The DBOYS M4 S.I.R. RIS Full Metal Airsoft AEG Rifle brings strong competition to the CASV variant M4 style rifle market. With a large front RIS rail system that continues from the upper receiver to the front sight making it rock solid even when supporting many accessories such as lights, lasers, grips, launchers, and optics. The rail also easily opens to store the included 8.4v NiMH brick style battery. With a Version 2 Gearbox with M120 spring, this rifle fires 390-400 FS with 0.20g BBs upwards of 150 feet. Flip up adjustable front and rear sights can be used alone or with aftermarket optics such as red dots or scopes. Also included with this rifle are a basic charger, polymer vertical foregrip, and metal 300 BB high capacity magazine. This full metal rifle is both durable and reliable for skirmishing both indoors and on the field. 



    • 390-400 FPS with 0.20g BBs
    • Full Metal Construction - Upper and Lower Receivers, Rail System, Buffer Tube, and Outer Barrel
    • LE Style Adjustable Stock
    • SIR style rail that also stores the battery
    • 8.4v Battery and Charger Included
    • Vertical Foregrip Included
    • Version 2 Gearbox with M120 Spring
    • Flip Up Front & Rear Iron Sights
  • Warranty Information

    30 Day Return, 45 Day Warranty

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  • Other Details

    FPS: 390-400 FPS with 0.20g BBs
    Power Type: Electric