The internal operation of the GEN3 FEV2 and the GEN2 FEV2 cylinder assembly are exactly the same and share many of the same parts

The middle portion of the rail system features four slots that key mod rail sections can be attached to provide extra rail space if needed

these goggles can be used daily as normal sunglasses

The inner diameter is 6

V energy 9.6v AK Airsoft HK VP9 The internal operation of theMade of high quality matched NiMH 2 3 A size cells. High power delivery with 16 Amp maximum discharge rate. No memory effect. Mini Tamiya connector attached for airsoft applications. Chemistry: Nickel Metal Hydride Nominal Capacity: 1600mAh Nominal Voltage: 9. 6V