Redline N7 HPA GEN2 FCU Engine Hop Up Parts Can fit up to a

Can fit up to a Titan 3000 nun-chuck 11

3: Full Auto / Burst Mode

Echo 1 M28 Sniper Rifle Gen

20 gram BB's Propellant = Green Gas

Redline N7 HPA GEN2 FCU Engine Hop Up Parts Can fit up to aRedline N7 HPA GEN2 FCU Engine. The newest electro HPA airsoft engine from Redline. Comes in V2 (M4) or V3 (AK nozzle) style. Can be customized with different aftermarket nozzles for specific gun types. Uses standard HPA 7. 4v JST batteries (Valken or Hype). Manufacturer specs: The Redline N7 Gen2 is a Patent Pending HPA drop in cylinder replacement system. It is an updated version of our legendary N7. The very first single solenoid, true closed bolt