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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
Gun features a standard 16mm CCW threaded outer barrel
It has two zippers on top
Aggressive 360 texturing to increase surface traction but strategically panelled with comfort in mind
High grade polymer for light weight and solid construction
25g+ weights)
Polarstar JACK - HPA Standard FCU Conversion Kit Military & Government Airsoft Training Guns Gun features a standard 16mmThe Polarstar JACK HPA Standard FCU Conversion Kit. This is the full sized FCU version for easy programming. Contains everything you need internally. Works drop in with most M4 AK platforms. G&G, Elite Force, JG, and most are pretty easy to install. Watch some Youtube videos on how to put it in yourself. With the Polarstar JACK engine, all you need to complete your HPA setup is: HPA Air Tank (non SLP tan regulator is okay, Ninja, Valken, FS is good)
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