Overwatch Precisions TAC Trigger kit for Walther Q4, Q5 SF, and PPQ pistols feature OP's proven TAC trigger design. Included in the kit is a NP3'ed and CNC-tuned OEM bar complete with two different trigger return springs for the discerning shooter. Our Tac trigger aides in a self-correcting rearward press, short reset and an improvement on the best OEM trigger on the market. As with all OP triggers, the TAC kit comes with pre-travel reduction and does not void any of the internal safeties. *Will not fit with PPQ subcompact models* Product Features 58% decrease in pre-travel 50% decrease in total travel CNC-tuned NP3'ed OEM bar for constancy, safety, and quality 3.8lb (red) and 4.4lb (green) return springs included Compatible with OEM return spring (provides a 5lb+ pull)