Complete UPGRADE kit for UMAREX/VFC MP7 AEG gen1/gen2 specific for use with 7.4V LiPo battery and energy <1J. Given the nature of the platform, the use of energy <1J is directly connected to the use of 7.4V LiPo batteries to avoid re-engagement of the piston with the specific spring present in this kit.


The complete UPGRADE kit for UMAREX/VFC MP7 AEG gen1/gen2 is composed of:
- 8.00mm stainless steel bushings for - 8pcs kit,

- ERGAL cylinder,

- SUNPOWER piston head with radial holes in DELRIN,

- Cylinder head in ERGAL with PAD ORANGE,

- ERGAL nozzle with O-RING,

- EVO pusher rod!,

- delayers,

- PVP spring for 7.4V <1J LiPo battery.

The installation of the UPGRADE kit inside the platform requires a certain dexterity and mechanical experience. As of now, TopMax Elaborazioni does not consider itself responsible for any improper use and/or incorrect assembly, which may cause damage and/or breakage and/or malfunction of the platform.