Evike.com are now taking pre-orders of this product from PolarStar Airsoft. Buy one and donate to charity too... "The PolarStar Silver Ver.2 Fusion Engine offers all the same performance and reliability of the original fusion engine but comes pre-upgraded with with a red low flow poppet for increased efficiency and stability. Also included in the pre-upgraded Ver.2 Fusion Engine silver is the Silver M4 nozzle giving the user an FPS of 445 to 515 FPS depending on barrel length and PSI.

The limited edition EMG Edition Fusion Engine is hard anodized blue and silver with laser etched markings on both sides of the precision CNC machined aluminum shells.

The PolarStar M4 Fusion Engine takes place of any Ver.2 AEG Gearbox as a direct drop-in. It is powered via a High Pressure Air (HPA) setup and only requires a small battery (7.4v-9.6v NiMH or Lipo recommended) to power the on-board computer known as the Fire Control Unit (FCU). This kit comes with the necessary core parts to convert your AEG to the Fusion Engine system. HPA stabilizer and tank required but not included.

Charity Donation: This limited edition of the Version 2 Fusion Engine has received an EMG makeover with anodized blue and silver along with laser etched markings on each of the CNC aluminum shells. A portion of the proceeds from the sale of the limited EMG Edition Fusion Engine will be donated to the Airsoft Nation Non-Profit Organization to help preserve the sport of Airsoft."