Variable Velocity Device / VVD Kit, includes Piston System

Variable Velocity Device / Kit, includes Piston System & Tool (VVD Kit)

Includes:
6-port Anodized Aluminum Piston-Head with Large O-Ring
Polymer Piston Body with Steel Teeth
Modular Adjustment Tool
Handle is also a Storage Container

Reduces orginal power by 20% with each stage setting: 100%, 80% & 60% by allowing more air pass through the piston system.  Compatible with standard version2 & version3 gearboxes.