The M&P SHIELD is an easy to conceal pistol that offers professional grade features with simple operation and reliable performance day or night. The Performance Center SHIELD offers discerning shooters premium features including a factory ported barrel and slide. One million Shield owners can't be wrong. FeaturesPorted barrel to reduce muzzle flipLightening cuts in slide for reduced weightPC flat face, silver anodized aluminum triggerPC enhanced silver anodized aluminum grip safetyPC ported barrel - high bright finishEasy to rack slidePerformance Center action, crisp, lightweight trigger with tactile and audible trigger resetHI-VIZ Litewave H3 Tritium/Litepipe SightsTactile loaded chamber indicator (TLCI) - see and feel if there is a round in the chamberPicatinny-style railTwo easy-to-load, 8-round magazines