High Clarity Coated Glass Lens Housed within a Precision Machined Matte Black Anodized 6061-T6 Aluminum Body Constant-on Automatic Brightness Adjusting Red 3 MOA Single Dot 30,000+ Hrs Battery Life IPX7 Waterproof Rated Lower 1/3 Co-witness with Most Standard Height Iron Sights Integral Rear Backup Iron Sight Milled into Body Protective Optic Cover Included Compatible with Shield RMSc Footprint Includes M3, M4, and #6-32 Hardware Screws for Greater Optics-Ready Pistol Platform Compatibility Out-of-the-box Compatible with SIG P365X/XL, Glock 43X/48 MOS, Walther PPS M2 RMSc, Springfield Armory Hellcat OSP, Ruger Max-9, S&W Performance Center M&P SHIELD M2.0, and Most Other Optics-Ready Pistol Platforms