Burris FastFire 3 Red Dot Sight (1x, 21x15mm Sight Window)
The Burris FastFire 3 is a compact reflex red dot designed for fast target acquisition with both-eyes-open shooting. It features a parallax-free sight picture, push-button controls, and automatic brightness adjustment with additional manual brightness levels.
This FastFire 3 uses a top-access CR1632 battery and an automatic time-out feature to help extend battery life. Includes mounting screws.