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This design lets the JACK™ send a higher flow of air down the barrel than systems that only use a solenoid as the firing valve
It's comfortable and flattering for both men and women
(Modification of the gearbox is required)
and follows the same specifications as a Milspec buffer tube
The HPA (2
A&K/JG SR-25 Installation Spacer Kit Wire Harnesses This design lets the JACK™This spacer kit allows a V2 Fusion Engine to be used in the A&K and JG SR25 rifles. Since these models use an "V2 Long" gearbox, the standard V2 Fusion Engine will not be long enough to interface with the rifle's hop up chamber and stock bolt. The included Delrin spacer extends the front of the engine so that it will be the correct length to match up to the hop up chamber while the included Nut provides an anchoring point for the stock bolt. Spacer