Bingo Airsoftworks have been busy recently trying to push the limits on where they can make the PolarStar Airsoft Fusion Engine Gearbox fit in the various airsoft guns they can lay their hands on without waiting for PolarStar to release that particular gearbox made for certain airsoft gun models. As to what these new finished custom works are, click on the links below:

PSG1 PolarStar Fusion Engine Conversion

Real Sword Dragunov SVD PolarStar Fusion Engine Conversion

Real Sword Type 97 PolarStar Fusion Engine Conversion