Description

The PolatStar silver M249 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 M249 Fusion Engine is the black M249 nozzle giving the user and FPS of 425 and 475 FPS depending on barrel length and PSI.The PolarStar M249 Fusion Engine takes place of any M249 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 onboard computer known as the Fire Control Unit (FCU). This kit comes with the necessary core parts to convert your M249 to the Fusion System. HPA stabilizer and tank required but not included.HPA system not included
Features:

100procent engineered and assembled in the USA!
Black nozzle and Red low-flow poppet valve installed. Allows for ultra low PSI and improved efficiency
Revolutionary electro-pneumatic Fusion Engine allows for an HPA setup in a compact space
Instant trigger response
Complete control of the system via the Fire Control Unit (FCU)
Adjustable FPS and Rate of Fire
User adjustable Semi/Full-Auto, Semi-Only, 2rd-9rd Burst, and Open Bolt and Closed Bolt firing modes
Consistent performance, regardless of the temperature
Fine tuning of the nozzle dwell allows for accurate BB feeding with any magazine
Maximum FPS limit can be raised or lowered with optional color-coded air nozzles (sold separately)
Uses standard AEG hopup and inner barrel design allowing for AEG upgrade parts and the use of standard AEG magazines

Compatibility: For use with G a P, A a K, Classic Army and other compatible M249 Airsoft AEG Machine Guns
Nozzle Color: BlueMax Velocity: (0.20g BB -at- 120 PSI)275mm Inner Barrel: 380 FPS380mm Inner Barrel: 405 FPS509mm Inner Barrel: 435 FPS -FPS listed is approximate. FPS will vary depending on PSI and barrel length used Rate of Fire: 8 to 30 rounds per second, Adjustable PSI Operating Range: 80-120 PSI (..