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SS AIRSOFT Custom Built HPA airsoft rifle. We build some of the best custom HPA airsoft replicas you will find on the market. All weapons are test fired, tuned and adjusted to work perfectly right out of the box.
This item has been custom installed here at SS Airsoft. Includes, Gun, and PolarStar Jack
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PolarStar Airsoft JACK Electro-Pneumatic Gearbox Conversion Kit V2
FPS Range: 330-400
The JACK™ system 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 is 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™ still retains the same performance and quality you have come to expect from PolarStar products.
SPECS
Velocity: 500FPS w/ .20g @ 120psi.
The Jack allows for easy velocity adjustment. Using a standard V2 as an example, velocity can be adjusted from below 100fps and up to approximately 500fps with a .20g BB. Longer barrels will increase the maximum FPS while shorter barrels will decrease it.
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: 1200 shots from 13/3000 @ 1.5J (80PSI w/ .28g)
The JACK is extremely 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 M as a test platform, the JACK was able to fire approximately 1200 rounds for a 13ci/3000psi cylinder before pressure dropped below regulated output.
Defective products subject to a manufacturer's warranty must be handled under the terms of the manufacturer's warranty. Please read the terms carefully and follow their procedures. Please send back to manufacture for repairs. The warranty period for these products is determined by the manufacturer.
SS Airsoft does not provide a warranty on products without a manufacturer’s warranty, unless explicitly stated. Warranties are not available for any Special Sale or Closeout products. Items received free or as part of a package sale may not be returned individually unless the entire package is returned at the discounted or package price
All returns are subject to inspection by our returns department before being processed. Products must be in original packaging with all original accessories and be in new, functioning condition .Returns that are missing the factory packaging, are not returned in new condition, opened or used consumables, or show signs of abuse may not be returned or are be subject to a minimum 20% restocking fee.
We do not cover nor refund the costs of returned shipping to us