HIGH SPEED 13: 1 SHS GEARBOX UPGRADE KIT (CL12080)

The Complete SHS High Speed Tuning Kit for AEG Version 2 is an all-inclusive upgrade kit. The combination of high quality SHS components results in a rate of fire of nearly 23 BBs per second in most AEGs. This kit combines basic components with combined savings:

SHS high speed motor
SHS 13: 1 gear set with CNC machining
M120 Spring
Solid steel 14-tooth nylon piston