Overwatch Precision M&P 2.0 Striker Block with Spring NP3. 0 was designed by Overwatch Precision internal guru engineer to provide a safe smooth and consistent function of your M&P 2.0 trigger function. Made from case-hardened A2 tool steel striker block provides a self-lubricious function guaranteed for the life of your firearm Specifications for Overwatch Precision M&P 2.0 Striker Block with Spring: Manufacturer: Overwatch Precision Finish: NP3 Fabric/Material: Steel Gun Make: Smith & Wesson Gun Model: Smith & Wesson M&P M2.0 Caliber: 9mm Luger Quantity: 1 Package Contents: Overwatch Precision M&P 2.0 Striker Block with Spring What firearm models does the manufacturer say Overwatch Precision M&P 2.0 Striker Block with Spring is compatible with? The manufacturer suggests that Overwatch Precision M&P 2.0 Striker Block with Spring is compatible with Smith & Wesson M&P M2.0Overwatch Precision 40002: M&P 2.0 Striker Block with Spring NP3