SIG SAUER Romeo M17 1x24mm Reflex Red Dot Sights 2 MOA Red Dot Reticle Coyote Tan. All other optics have many disadvantages and make several compromises. The ROMEO-M17 does not. The ROMEO-M17 pistol red dot sight utilizes Sig Sauer's proprietary sig-loc mounting interface and only fits Sig Sauer M17/M18 military issue surplus and commemorative pistols with a single optics plate mounting screw. This sight will not fit any other pistols. Many of the innovative features found on the ROMEO-M17 will be available on new romeo pistol red dot sights as they are launched in the near future. Specifications for SIG SAUER Romeo M17 1x24mm Reflex Red Dot Sights: Manufacturer: SIG SAUER Color: Coyote Tan Finish: Cerakote Fabric/Material: 7075 Aluminum Magnification: 1 x Objective Lens Diameter: 24 mm Reticle: 2 MOA Brightness Settings: 15 Adjustment Type: MOA Adjustment Click Value: 1.5 MOA Emitter Type: Enclosed Lens Material: Glass Battery Type: CR2032 Battery Quantity: 1 Gun Make: SIG Sauer Gun Model: SIG Sauer M18 SIG Sauer M17 Length: 2.4 in Width: 0.9 in Height: 1.1 in Weight: 1.5 oz Quantity: 1 Red Dot Sights-Footprint: SIG-LOC Features of SIG SAUER Romeo M17 1x24mm Reflex Red Dot Sights A fully enclosed sealed and purged optical system for ultimate protection from the elements Mounts from underneath the pistol slide re-using the MHS pistol rear sight block and sight block screw Integrated gas deflector on the front of the housing Machined anti-reflection grooves on all rear surfaces for reduced glare Extremely low deck height allowing a full sight picture and co-witness with standard-height sights SIG-LOC (SIG Leverage Optimizing Connection) proprietary mounting interface for the ultimate optic/pistol lockup. The reticles are independently selectable (circle only dot only or circle/dot combination). Independent brightness adjustment buttons that are recessed within a protective plate which can be activated even with gloves on. Buttons have bump features above UP and below DOWN so they can be determined by feel. 15 brightness settings with 3 of the settings optimized for use with Gen 3+ NV devices A side-mounted CR2032 battery compartment with a threaded battery cap for easy battery changes without the need to remove the optic from the firearm. The cap is slotted and knurled for use with or without tools. Minimum continuous runtime of 20000 hours at medium brightness setting 2 drainage holes machined in the sides of the housing just behind the rear sealed window to allow pooled liquid to escape when the optic goes from a vertical position (such as in a holster) to a horizontal position (such as shooting) Windage and elevation adjustments have tactile clicks. Adjustment screws are slotted for use with any small flat-blade tool. Please Note - The ROMEO-M17 pistol red dot sight utilizes SIG SAUER'S proprietary SIG-LOC mounting interface and only fits SIG SAUER M17/M18 military issue and commemorative pistols with a single optics plate mounting screw. This sight will not fit any other pistols. Package Contents: SIG SAUER Romeo M17 1x24mm Reflex Red Dot Sights SIG SAUER Infinite Guarantee SIG SAUER SORM1700: Romeo M17 1x24mm Reflex Red Dot Sights 2 MOA Red Dot Reticle Coyote Tan