The Trijicon SRO MOA Red Dot Sight is the perfect pistol sight for improving your aim while target shooting or in competitive settings. These Red Dot Sights feature a parallax-free, wide field of view that greatly increases target acquisition speed and accuracy. The SRO (Specialized Reflex Optic) has the same footprint as the Trijicon RMR and utilizes a top-loading battery for fast and easy swaps. For maximum durability, this Trijicon reflex sight is waterproof and protected by rugged 7075 aluminum housing, allowing you to use it in any environment or situation with ease. With eight total brightness settings, including a super-bright mode and two night vision settings, the Trijicon SRO MOA Red Dot Sight is customizable to meet your needs at any moment. Plus, the button “lock-out” mode and button “lock-in” mode secure your brightness settings, making it an excellent choice for concealed carry or competitions. Available with a 1 MOA dot, 2.5 MOA dot, or 5 MOA dot, the Trijicon SRO provides a clear sight picture with a crisp, illuminated dot that keeps you on target no matter what. Buy the Trijicon SRO MOA Red Dot Sight today to boost your handgun precision when it matters most. Specifications for Trijicon SRO MOA Red Dot Sight: Manufacturer: Trijicon Magnification: 1 x Objective Lens Diameter: 0.89 - 0.98 in Objective Window Size: 25 x 22.5 mm Illumination Type: LED Illumination Color: Red Brightness Settings: 8 Eye Relief: Unlimited Adjustment Type: MOA Adjustment Click Value: 1 MOA Emitter Type: Open Lens Material: Glass Battery Type: CR2032 Battery Quantity: 1 Battery Life: 3 years Water Resistance Level: Waterproof Water Resistant Mark: 10 ft Length: 2.2 in Width: 1.3 in Height: 1.4 in Weight: 1.6 oz Additional Features: Compatible with suppressor height iron sights Magnification Type: Fixed Red Dot Sights-Footprint: RMR Attachment/Mount Type: RMR Features of Trijicon SRO MOA Red Dot Sight: Large, unobstructed field of view Clear, crisp dot Button "lock-out" mode Red dot pistol ready Top-loading battery Button "lock-in" mode 8 brightness settings Waterproof up to 10ft (3m) Package Contents: Trijicon SRO MOA Red Dot Sight 1 Trijicon Logo Sticker (PR15) 1 Lenscloth 2 #6-32 Flat Head Torx Cap Screws 1/2&quot Long 1 Torx Head Key 1 Manual 1 Warranty Card Note: If selecting an SRO for mounting on the Glock MOS system or the new Springfield OSP pistol a Trijicon Mounting kit (AC32085) is required.