Another magic work done by Bingo Airsoftworks as they make another PolarStar conversion... "The VFC SCAR line of airsoft guns is an increasingly popular platform and they provide a nice alternative to the more common M4 variants that you will find on the field. Even though the SCAR guns use the V2 gearbox, the Fusion Engine doesn’t easily drop in due to the elongated nozzle and the unique selector plate.