Overwatch Precision TAC Pistol Trigger Kit for Walther Steel Frame Q4/Q5 Black/Red. This kit features OP's proven TAC trigger design offering a self-correcting rearward press short reset and an improvement on the best OEM trigger on the market. Included in the kit is a NP3'ed and CNC-tuned OEM bar providing consistency safety and quality. The TAC kit also comes with two different trigger return springs allowing for customization to fit your preferences. Like all OP Triggers the TAC Trigger Kit comes with pre-travel reduction and does not void any of the internal safeties. With a 58percent decrease in pre-travel and a 50percent decrease in total travel the TAC Trigger kit offers significant improvements over Walther stock triggers. It also features compatibility with the OEM return spring providing a 5lb+ pull for those who prefer a heavier trigger pull. Overwatch Precision's TAC Trigger kit is a high-quality upgrade option for those looking to improve the trigger on their Walther Q4 Q5 SF or PPQ pistol. And with our lifetime warranty you can trust in the durability and performance of this trigger kit. Will NOT fit F Series or PPQ subcompact models. Will NOT fit CA Compliant PDP Models. Specifications for Overwatch Precision TAC Pistol Trigger Kit for Walther: Manufacturer: Overwatch Precision Trigger Shape: Flat Trigger Pull Weight: 5 lb Caliber: 9mm Luger Gun Make: Walther Finish: Hard Coat Anodized Size: One Size Weight: 0.5 lb Features of Overwatch Precision TAC Pistol Trigger Kit for Walther 58percent decrease in pre-travel 50percent decrease in total travel CNC-tuned NP3'ed OEM bar for consistency safety and quality Compatible with OEM return spring (provides a 5lb+ pull) Package Contents: Overwatch Precision TAC Pistol Trigger Kit for Walther 3.8lb (red) and 4.4lb (green) return springs What firearm models does the manufacturer say Overwatch Precision TAC Pistol Trigger Kit for Walther is compatible with? The manufacturer suggests that Overwatch Precision TAC Pistol Trigger Kit for Walther is compatible with Walther PPQ Walther PDP Walther Q5 Match Walther Q4Overwatch Precision 60326: TAC Pistol Trigger Kit for Walther Steel Frame Q4/Q5 Black/Red