Lenses are precision ground and polished to exacting geometries to virtually eliminate parallax and to provide a very clear, crisp sight picture
Fully windage and elevation adjustable and lockable
Light sensor automatically adjusts the dot's brightness to the available light
On/off switch
Plastic hood covers the light sensor and puts the unit in sleep mode when the on/off switch is set to "on"
Powered by a lithium CR2032 battery
The Burris® FastFire dramatically increases speed and accuracy. It simplifies the act of aiming, eliminating the need to focus on and align the front sight, rear sight and target. With the FastFire II, the aiming red dot and target are always in focus and properly aligned for the ultimate in accuracy. The Picatinny mount allows mounting on just about any rifle. Special bases are available for the most common firearms.