TTI - WE G17/ G19 Piston Head + Nozzle Valve Blocker

TTI WE Piston Head Nozzle Blocker

The TTI WE Piston Head Nozzle Blocker is an upgrade set for WE-Tech G17 and G19 gas blowback pistols, combining a precision piston head with a nozzle valve blocker. Together they improve gas efficiency and the consistency of the blowback cycle for more reliable performance.

Fitting both parts helps seal the system more effectively, reducing wasted gas and giving a crisper, more dependable action shot after shot. A worthwhile internal upgrade for anyone tuning a WE G-Series pistol.

Key features:

Piston head and nozzle valve blocker set

Fits WE G17 / G19 gas blowback pistols

Improves gas efficiency and cycling consistency

Precision machined components

Direct drop-in internal upgrade