Walther PPQ/PDP/P99 4.0 Customized Uncaptured Stainless Steel Recoil spring Guide Rod with Stainless Steel spring plug/washer (similar to 1911 spring plug) and 17lbs ISMI flat spring.
The Stainless Steel Spring Plug is fitted to the end hole of slide similar to 1911 spring plug to ensure guide rod not moving around the tip of slide. This enhance the accuracy and at the same time the look of slide with 4 inches barrel.
not limited to install on 4 inch barrel but with barrel/slide longer than 4 inches, it will not show/view the spring plug. 
installation rod included for easy installation. just insert the installation rod to the other end of spring until it touch the tip of guide rod then slowly push the guide rod.

(Will not work with PPQ.45acp, 3.5" PDP-F or the PPQ SC).

Replacing Factory Plastic Guide Rod. 
17lbs ISMI flat spring included.
Stainless Steel spring plug/washer to center the rod.
Installation rod.

Condition is "New".
Works with all Walther PPQ/PDP/P99 models except PPQ.45acp, 3.5" barrel or the PPQ SC.