Burris FastFire 3 1x Reflex Red Dot Sight (21x15 mm Window)
The Burris FastFire 3 is a compact, lightweight reflex sight that provides a bright red aiming dot with unlimited eye relief and a parallax-free design. Illumination is controlled via push-button with an automatic brightness sensor plus three manual brightness levels.
Top-access battery design uses a CR1632 lithium battery, with an automatic shutoff after 8 hours to help extend runtime. Tool-less windage and elevation adjustments provide 1 MOA clicks, with 115 MOA of total elevation adjustment.