Product Description
Bingo Airsoft Designs - PolarStar JACK MP7 Drop-in kit with IGL
The Drop In Kit will include the following:
- Special Polarstar JACK engine designed for the kit, with JACK FCU
- Custom 3D printed Chassis for the JACK engine with full auto micro-switch and mini connection circuit board
- Trigger wire harness
- Custom length JACK FCU wire harness
- Custom IGL with fittings
- Easy swap and reinstall of your AEP gearbox
Battery Not Included
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Product Reviews
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Install
Great product how ever upon receiving the engine did not work however One of the techs stayed on the phone for 1 hour helping rm trouble shoot and after that they paaid for shipping and fixed and installed the engine
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Polarstar Jack mp7 kit
Very good build quality, only issue is the igl popped of its fitment when air was hooked up, but I did have a macro line from another gun to get it to work. The polarstar shoots beams and is very air efficient. When using my polarstar fusion engine build, I fill about 3-4 times a session(3hours) this mp7 kit had me fill once a session.
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Amazing But too expensive for EU
What a dropin kit for the amazing TM Mp7 , my second build and always a pleasure to play with these beast ! the only bad thing is the price for EU , with tax its really too expensive actually but that the most performante hpa kit for mp7 in the world actually .
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MP7 jack kit
Amazing! I love this kit. It dropped in beautifully to a TM mp7 and worked wonders. I put about a 48 ci tank worth of bbs through with Mag Brand mags and it worked without flaw. Installation was good although the kit was a bit tight. However I’d rather have that be than it be loose and throw the alignment off. Aligned great with the stock hopup and barrel setup. 5/5 would recommend!
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Terrible wiring on solenoid.
Works well but I have a faulty connection on my solenoid that's apparently unfixable if it completely breaks due to the design.
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Mp7 Drop in Jack
This product was did arrive a little later then I was hoping however that's is not the fault of Airsoft Junkiez and more the fault of Covid but once it did arrive it was easy to install and a massive improvement over the TM AEP.
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Worth every cent
Just got it today. Easy to install, looks great, feels great. Worth every cent so far. Needs testing from my side, but such a great piece.
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Finish could be better
First of all I am happy with the product. Glad I have bought it. Sadly the overall build quality of the smaller components are poor. For the trigger contact they used a 6,3 mm dowel pin to replace a 6mm fuse. Also the soldering of the wire to this pin came loose very easily. On the other contact the shrinkrap is to short to cover the exposed wire which will result in easy breaking of the wire. A final problem I had, but this could be because I installed it on a Well R4, is that the. 3d printed body was 1mm to long. The mags would not seat and if they did, they wouldn't feed. This was also a easy fix, but when I contacted Airsoftjunkiez they about the stated problems they did not respond. For a product this expensive the build quality could have been a lot better. Also no manual was included about the Jack and FCU.