Steiner brings battle-proven durability and mil-spec ruggedness to pistol red dots with the NEW MPS (Micro Pistol Sight). All-metal construction and enhanced sidewalls completely seal in the emitter. A recessed window with a metal hood blocks objects from reaching the front lens making this one of the toughest pistol sights ever created. At 2.05 oz, the Micro Pistol Sight is compact and lightweight offering Steiner quality glass and a robust feature set including 8 brightness levels, and 13,000 hours of battery life. The 1X magnification offers an undistorted image for both eyes open operation and complete situational awareness. The Micro Pistol Sight is designed to fit an ACRO footprint and is compatible with most optic-ready pistols using ACRO baseplate adapters. MPS/ACRO Pistol Plates Manufactures: Mounting plate not included. See below for a list of compatible ACRO mount manufacturers. American Defense Manufacturing APEX Tactical Arisaka Dawson Precision Forward Controls Designs Jagerwerks Overwatch Precision Primary Machine (RMR to ACRO) Reptilia Strike Industries (RMR to ACRO) Unity Tactical Battle Proven DurabilityThe MPS boasts an enhanced extra side wall that produces a best-in-class shock rating. The completely enclosed laser emitter is water pressure tight making it reliable in the harshest environments and any weather condition. Compact SizeWith a weight of only 58g, the sight is both light and compact. Its shorter size prevents any &';tunnel-vision,&'; and the low weight allows for perfect usability. Daylight Bright DotWith 8 brightness settings (including two for night vision), easy management is facilitated by the ergonomic raised button on the optic&';s side. The 3.3 MOA dot ensures fast and smooth target acquisition in any condition. Battery LifeWith an impressive 13,000 hours of battery life, the MPS stands at the top of its class. The easily accessible battery compartment allows for changing the battery without dismounting the MPS from the gun. A flashing red light indicates low battery. True 1xThe 1X magnification enables both eyes open operation, ensuring complete situational awareness.