The M&P9 M2.0 C.O.R.E. (Competition Optics Ready Equipment) is the original optics-ready M2.0 variant, featuring an optic adapter rail system that accepts multiple optic footprints via interchangeable mounting plates. An early approach to optics readiness before direct-cut slides became standard, the CORE system allowed one pistol to accept multiple optic formats through plate swaps. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 17 Year introduced: 2017, USA Weight: 28 oz Overall length: 7.6" Status: Discontinued Intended use: Competition, Service