Overwatch Precision M&P 2.0 Trigger Return Spring NP3. 0 TAC Trigger System. With an added felt insert to dampen recoil vibration and increase longevity grab a few for your range bag as a maintenance/replacement item. We suggest you have a competent gunsmith replace every 5000 rounds for maximum reliability. Specifications for Overwatch Precision M&P 2.0 Trigger Return Spring: Manufacturer: Overwatch Precision Color: NP3 Gun Make: Smith & Wesson Package Contents: Overwatch Precision M&P 2.0 Trigger Return Spring Overwatch Precision 40003: M&P 2.0 Trigger Return Spring NP3