TruGlo Brite Site Fiber Optic Handgun Sight S&W M&P Brand_Halo Optics and comfort MZO Lining: Disperses and comfort MZO Lining: Disperses perspiration away from the skin AirMesh Back: Increases flexibility & breathability Less 2 Lacing: Removes the last 2 lace loops on the web to increase flexibility along the closing axis Parashock Palm Pad: Provides outstanding protection and ideal comfort PowerClose Technology: Makes catching easy for younger players V Flex Notch: Helps initiate easy closure Right Hand Throw which combine to provide lightweight performance and additional flexibility Features: Uses traditional fiber optic technology CNC machined steel construction Contrasting red front and green rear Concealed fiber cannot be seen by target Fits standard holsters Snag resistant design The ultimate handgun sight