In this episode of Minute Monday, Amped Airsoft shows the Amped Edition PolarStar Fusion Engine.  This has has upgrades for better performance and comes with an M4/M16 series trigger and steel selector plate so that it can be installed into any M4/M16 series AEG which is Tokyo Marui compatible... "This Minute Monday, Matt Goes over the Amped Edition of the PolarStar Fusion Engine. Featuring upgrades like our low flow poppet and purple nozzle, the Amped Edition FE provides the best efficiency and performance an HPA system can provide."