DYTAC Water Transfer M4 Metal Receiver for AEG (ACU) Marui Hi-Capa 5.1 The unique lightweight design helps

The unique lightweight design helps reduce heat transfer and allows for a faster target acquisition

- Metal Made Flip-up Front and Rear Sight

Extended Magazine which can load CO2 Bottle for extra power

3GX gearbox

V2 Metal HYBRiD Gear Box

DYTAC Water Transfer M4 Metal Receiver for AEG (ACU) Marui Hi-Capa 5.1 The unique lightweight design helpsDYTAC Water Transfer M4 Metal Receiver Aluminum Die Castng Construction Suitable for M4 M16 Series Airsoft Electric Gun AEG Rifle Package Include Dust Cover, Bolt Cover, Hop Up Chember, Recever Pin Set, Forward Assist Knob SKU DY WT09 ACU Item Weight (gram) 635 Major Color ACU Built Material Aluminum Die Cast Manufacturer DYTAC