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PolarStar x Amped GOLD Edition Jack V2 HPA Unit | Standard FCU Reviews

4.8 Rating 4 Reviews
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Looking to own a sweet looking Jack and Rep Amped Airsoft at the same time? Check out this new collaboration between Amped Airsoft and PolarStar Airsoft!  This Jack sports all the awesome features as the PolarStar Jack, but comes in our awesome colors! 
“JACK” was designed to answer the demand for an affordable, high performance HPA conversion for AEG's. The system is a drop-in cylinder replacement that will be universally compatible with a wide range of gearbox versions that have center-line nozzles.
Similar to its sister product, the F1, it replaces the original gearbox components with a programmable pneumatic system allowing for higher performance and greater reliability over a gear driven system. Although economically priced, “JACK” will still retain the same performance and quality you have come to expect from PolarStar. “JACK” only has 1 moving part, the nozzle, that acts as its own poppet valve (similar to the Fusion Engine poppet) which is piloted by the solenoid. The system itself only has 6 parts and can be completely disassembled by hand, making the system very reliable and easy to maintain.
ROF: 30RPS+ The maximum cyclic rate of the Jack is affected by several factors, however, 30 rounds per second is a conservative number. Most configurations will exceed this easily. Air Efficiency: 1000 shots from 13/3000 @ 1.5J (80PSI w/ .28g) The JACK is extrememly efficient. The patent pending design of the F1 allows for the most direct air path to the nozzle with minimum dead volume resulting in better flow, faster response and less air used per shot. Using a stock VFC M4 as a test platform, the JACK was able to fire approximately 1000 rounds for a 13ci/3000psi cylinder before pressure dropped below regulated output. 
Looking for more information on the IGL Line for your Jack? Click Here: Amped Custom - Integral Grip Line (IGL) (For Hydra, Inferno, Jack, MKII, SMP)
Looking for the custom AMPED Fusion Engine (V2/M4)? Click below:
PolarStar x Amped GOLD Edition Fusion Engine | Purple LFP/Nozzle
Looking for the regular JACK? Click Below:PolarStar - JACK (V2/M4/Standard FCU)

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Great engine for KWA T6
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Posted 3 months ago
Only reason why is because the igl is different than all of the others.
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Posted 3 months ago
Each engine has it's own IGL option tho!
Posted 3 months ago
This engine packs a punch and is very air efficient when tuned in right.
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Posted 8 months ago
A great choice indeed! Thanks for the awesome review
Posted 7 months ago
This kit is great! Just make sure to do your research on your gun first, this was completely my fault but I had a different gun with a V2 gearbox that I ended up installing it into instead. Great quality and comes with everything you need to get started with HPA. Customer service was pretty fast at response as well.
2 Helpful Report
Posted 3 years ago