Burris FastFire 3 Red Dot Sight

The Burris FastFire 3 is the best selling red dot sight from Burris. 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 Available with Picatinny/Weaver mount for mounting on rifles, handguns and tactical shotguns Specs Magnification Range 1x Objective Diameter 21x15mm Weight 1.5oz Length 1.9" Illumination control Manual push-button & automatic brightness adjustment Dot Color Bright Red Reticle FastFire(TM) 3-MOA Dot Internal Adjustment 1 MOA Max Elevation Adjustment 115 MOA Eye Relief Unlimited Parallax Setting Parallax-Free Weather Resistance Waterproof Mount Type Detachable Picatinny Mount Manufacturer Warranty Burris Forever Warranty