The Burris FastFire III is a compact reflex sight built around a clear 21×15 mm viewing window and an 8 MOA illuminated red dot. Its low-profile design and parallax-free sighting make it suitable for a wide range of roles, including everyday carry pistols, rifles, and shotgun applications as either a primary sight or a secondary over-mounted optic. The sight offers multiple manual brightness settings plus an automatic brightness adjustment to match ambient light conditions.
Key Specifications
- The model is the Burris FastFire III reflex sight.
- The reticle is an 8 MOA red dot for quick aiming at close to moderate ranges.
- The clear objective/window measures 21×15 mm for a compact sight picture.
- The optical magnification is 1.07x.
- The reticle color is Red.
- Eye relief is listed as Unlimited, allowing flexible mounting and sighting positions.
- Windage/elevation adjustments use a 1 MOA click value for precise zeroing.
- Illumination includes three manual brightness settings plus an automatic brightness adjustment.
- The sight is specified as parallax-free at typical close engagement distances.
- Construction and descriptions list the unit as waterproof for increased durability in the field.
Lightweight, compact, and straightforward to operate, the FastFire III provides a practical, no-nonsense aiming solution for users who want a durable reflex sight with simple controls and bright, easy-to-see illumination. Its combination of an 8 MOA dot, multiple brightness modes, and a clear optic window makes it well suited for close-quarters work, range use, and everyday carry setups.





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