ZWQ S200S Viper

The newest design of the ZWQ S200.

Average FPS with stock spring: 90-95

Stock Spring diameter: 1.4

Inside the box will include a 1.6 spring, that will increase the FPS up to 170+ using QWK EPP darts.

Compatibility : The main upgrade spring, and S200 holder.

The slide is RMR ready.

WARNING! 

Magazine is proprietary. 

ZWQ S200 Fire Rat Blaster magazine is not compatible with this blaster.