Burris Fastfire III 8 MOA Mount Red Dot - Black Matte

Light and tough, the FastFire 3 series puts an unmistakable, bright red dot on your target to give you an immediate speed and accuracy advantage. Can be used as a primary sight or paired on top of an existing sight. Automatic brightness sensor adjusts brightness to match the environmental conditions; also has 3 manual brightness settings Battery access is conveniently located on the top of the sight; automatic time-out feature after 8 hours helps battery last up to 5 years Specs:  8 MOA Dot, Picatinny Mount Included  Reticle Color: Red Objective Lens Diameter: 21x15 mm  Finish: Matte Eye Relief: Unlimited  Click Value: 1 MOA Elevation Adjustment: 115 MOA Windage Adjustment: 86 MOA Parallax-Free Length: 1.9 in Weight: 0.9 oz Manual push-button & automatic brightness adjustment 3 manual brightness levels; automatic setting reactive to environment Battery: CR1632