Burris FastFire III | 3 MOA Red Dot | AR-F3 Mount

The Burris Flatop FastFire III is a compact, low-profile red dot sight packaged with the AR-F3 mount for direct fit to AR-style flat-top rails. It provides a 3 MOA illuminated reticle and parallax-free optical layout for rapid target acquisition at close ranges. The sight sits low in the AR-F3 mount and features metal protective wings around the lens along with an internal compartment for a spare battery and tools. It fits Weaver- or Picatinny-style bases and uses a CR1632 battery for illumination.

Product Specifications

• The item number is 300215.
• The reticle is a FastFire 3‑MOA dot.
• The clear objective lens measures 21×15 mm.
• The finish is matte.
• The mount interface is a Picatinny rail base.
• The package includes the AR-F3 mount for flat-top installations.
• The eye relief is listed as unlimited.
• The click value for adjustments is 1 MOA.
• The total elevation adjustment capability is 115 MOA.
• The total windage adjustment capability is 86 MOA.
• The optic is described as parallax-free.
• Length of the sight body is reported as 2 in. in manufacturer literature.
• Illumination control is by manual push-button with automatic brightness adjustment.
• Illumination settings include three manual brightness levels plus an automatic setting.
• The battery type is CR1632.
• The UPC is 000381302151.

This compact FastFire III package is aimed at shooters who want a fast, unobtrusive optic on AR-platform rifles and carbines. Its low mounting position and protective wings make it well suited for close-range target acquisition and as a co-witness solution with iron sights in competition or range use. The included AR-F3 mount and simple illumination controls keep the setup straightforward and durable without added complexity.