Vector Optics Victoptics SRD 1X20X25 Pistol Red Dot Sight

Key Feature 7075-T6 Aluminum Alloy Construction (Lightweight) Light Sensor Can Automatically Adjust Illumination Intensities Based on Lighting Conditions 50K Hours Battery Life Provides Over Two Years of Reliable Use, Minimizing Battery Changes 3MOA Dot Size Strikes a Balance between Fast Target Acquisition and Precision Aiming Window Lens Size: 20 x 25 mm / 0.79 x 0.98 in Parallax: Free: (?3MOA) Parallax Setting: 25 yards Dot Size: 3 MOA