TTI VSR10 TDC CNC Hop Up Set (One Piece Chamber with TDC) Tactical Vests This is the police model

This is the police model that we recommend for training

ranging from 660mm to 760mm (26-30 inches)

It shares the same spring as the Fusion Engine™ with both light and heavy spring options available to adjust the loading force

Gearboxes with heavy reinforcing in the geardrive area behind the trigger

TTI VSR10 TDC CNC Hop Up Set (One Piece Chamber with TDC) Tactical Vests This is the police modelThe TTI VSR10 TDC CNC Hop Up Set features the same unique properties the Action Army VSR 10 VSR10 Hop Up Chamber provides, but also comes with a custom TDC nub and trolley to offer the best possible control over your hopup. One piece CNC hop up chamber. Easy to install. Made by TTI Airsoft.