The Smith & Wesson Performance Center M&P Shield X Carry Comp Semi-Auto Pistol with Thumb Safety represents the pinnacle of the Shield Series, offering a refined shooting experience and robust feature set. First and foremost, it features the PowerPort slide and barrel porting designed to direct gas upwards to counteract muzzle rise keeping you on-target for faster follow-up shots. The stainless steel slide also features a factory optics cut for Shield RMSc footprints along with aggressive front and rear serrations. The slide comes topped with an Ameriglo Trooper Lumigreen luminescent front sight and blackout rear sight. The frame has also been upgraded with a reversible magazine catch, flat-faced trigger, and a longer more ergonomic grip that maximizes capacity. This model comes with the manual thumb safety. Stainless steel, fluted, ported barrel PowerPort slide and barrel porting helps counteract muzzle rise and felt recoil Optics-ready slide accepts Shield RMSc footprints Ameriglo Trooper Lumigreen luminescent front sight Blackout rear sight Frame features a longer, more ergonomic grip with maximum capacity Reversible magazine release Manual thumb safety