The FastFire 3 is the bestselling red dot sight from Burris. It is available with a 3 MOA dot. Many other mounts are also available. 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.

Features:
3 MOA
Bright dot
Compact and lightweight design
Parallax free
Automatic brightness sensor
Waterproof
Shockproof