Meprolight MicroRDS 1x Red Dot Kit - 3 MOA Dot - S&W M&P - The Mepro microRDS brings the rapid target acquisition of a full-size red dot rifle optic to a compact pistol sight. Featuring a patented quick-detach (QD) adaptor kit that easily mounts using the pistol's existing rear sight dovetail slot. Fitment: S&W M&P. One Sight Fits All Platforms - Handguns, Rifles, And Shotguns; Clear Aiming Point For All Light Conditions; Patented, Quick Detach Mount Mepro Micrords Mounts Directly To Meprolight's Trudot Self-illuminated Pistol Sights; Self-illuminated Backup Night Sight; Battery Change Does Not Require Removal Of Sight From Pistol Slide. Keeps The Sight Zeroed At All Times; No Need For Co-witness Tall Sights; Water Resistance to 13m to IP67; Illumination Type: Tritium; No Drilling Or Tapping Required; Instantly mounts;