The M2.0 Compact 4-inch with thumb safety, factory night sights, and optics-ready slide — the most comprehensively specified compact M&P variant, combining manual safety, illuminated backup sights, and red-dot capability. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 15 Year introduced: 2022, USA Weight: 24 oz Overall length: 7.3" Status: Active Intended use: duty, law_enforcement, concealed_carry