Burris FastFire III 3 MOA Red Dot Sight
Quick Check:
Optic Type: Open-emitter red dot reflex sight
Dot Size: 3 MOA
Magnification: 1x
Mounting Footprint: Docter / Noblex pattern
Battery: CR1632 with top battery access
Mount Included: Detachable Picatinny mount
Best For: Handguns, rifles, shotguns, muzzleloaders, and secondary optic setups
The Burris FastFire 3 3 MOA red dot sight combines a lightweight, low-profile design with a crisp aiming point for fast target acquisition and accurate shot placement. It can be used as a primary optic on a handgun, rifle, shotgun, or muzzleloader, or added to a compatible piggyback or secondary optic setup.
The 3 MOA red dot provides a precise aiming point that covers less of the target than a larger dot. This makes the FastFire 3 a strong choice for target shooting, hunting, rimfire firearms, competition, and shooters who want a balance of speed and precision.
Its 1x magnification and unlimited eye relief allow comfortable both-eyes-open shooting, helping you maintain awareness of your target and surroundings. The automatic brightness sensor adjusts the dot to changing light conditions, while three manual brightness settings allow you to select the intensity that works best for your application.
A top-loading CR1632 battery allows battery replacement without removing the optic from its mount. The FastFire 3 also includes an automatic 8-hour timeout to help conserve battery life when the sight is accidentally left on.
3 MOA Red Dot
The 3 MOA aiming point is small enough for precise shooting while remaining easy to see during fast target transitions. At 100 yards, a 3 MOA dot covers approximately 3 inches of the target, making it well suited for handgun, rifle, rimfire, hunting, and competition applications.
Burris FastFire 3 Features
- 3 MOA Aiming Point: Provides a precise red dot for accurate shooting without covering an excessive amount of the target.
- Fast Target Acquisition: A bright red aiming dot provides a simple and easy-to-see point of aim.
- Automatic Brightness Adjustment: The forward-facing sensor adjusts dot intensity based on surrounding light conditions.
- Three Manual Brightness Settings: A push-button control lets you manually select the preferred brightness level.
- Top-Loading Battery: Replace the CR1632 battery without removing the sight from the firearm.
- Automatic Timeout: The sight turns off after approximately eight hours to help extend battery life.
- Unlimited Eye Relief: The optic can be mounted at different positions while maintaining a usable sight picture.
- 1 MOA Adjustments: Windage and elevation controls allow for straightforward zeroing and fine adjustment.
- High-Quality Optical Glass: Burris Hi-Lume multicoating helps improve clarity and reduce glare.
- Built for Recoil: The FastFire 3 features a waterproof and shock-resistant construction designed for use on handguns, rifles, and shotguns.
- Burris Forever Warranty: Covered by the manufacturer’s Burris Forever Warranty.
Technical Specifications
| Specification |
Details |
| Optic Style |
Open-emitter reflex sight |
| Magnification |
1x |
| Dot Color |
Red |
| Dot Size |
3 MOA |
| Lens Window |
21 x 15 mm |
| Eye Relief |
Unlimited |
| Adjustment Value |
1 MOA per click |
| Elevation Adjustment |
115 MOA total capability |
| Brightness Settings |
Automatic setting plus three manual levels |
| Battery |
One CR1632 lithium battery |
| Battery Access |
Top-loading |
| Length |
Approximately 1.9" |
| Optic Weight |
Approximately 0.9 oz. without mounting hardware |
| Weight With Included Mount |
Approximately 1.5 oz. |
| Finish |
Matte black |
| Mounting Pattern |
Docter / Noblex pattern, also commonly listed as the Burris FastFire or Vortex Venom / Viper footprint |
| Included Mount |
Detachable Picatinny mount |
Mounting the Burris FastFire 3
The Burris FastFire 3 uses the Docter / Noblex mounting pattern. When selecting an EGW mount or optic plate, choose a product that specifically lists the Burris FastFire 3 as compatible. The FastFire 3 does not use the Trijicon RMR, Shield RMSc, Holosun K Series, Holosun C Series, or Aimpoint ACRO footprint.
The included detachable Picatinny mount can be used on compatible Picatinny rails. Mounting the optic directly to a handgun slide normally requires the correct optic cut, factory adapter plate, or an EGW rear-sight dovetail mount made for the specific firearm.
Important Installation Note:
Confirm your firearm model, rear sight configuration, optic footprint, mounting hardware, and screw length before installation. The screws supplied with the optic may not be correct for every firearm or mounting plate. Minor fitment may be required due to differences in firearm, dovetail, and mount tolerances. When using a press-fit EGW dovetail mount, installation with a proper sight pusher by a qualified and competent gunsmith is recommended.
What Is Included?
- Burris FastFire 3 3 MOA red dot sight
- Detachable Picatinny mount
- CR1632 lithium battery
Frequently Asked Questions
What footprint does the Burris FastFire 3 use?
The FastFire 3 uses the Docter / Noblex footprint. On EGW product pages, this may also be identified as the Burris FastFire, Vortex Venom, Vortex Viper, or Docter mounting pattern. Always confirm that the Burris FastFire 3 is listed on the individual mount page.
What is a 3 MOA red dot best used for?
A 3 MOA red dot offers a useful balance between fast target acquisition and precise aiming. It works well for handgun shooting, target shooting, hunting, rimfire firearms, rifles, and competition applications.
Do I have to remove the optic to replace the battery?
No. The CR1632 battery is accessed through the top of the FastFire 3, allowing the battery to be replaced while the sight remains mounted.
Does the FastFire 3 include a mount?
Yes. The FastFire 3 includes a detachable Picatinny mount. A different mount or adapter plate may be required for direct installation on a handgun, shotgun, or firearm without a compatible Picatinny rail.
Will the FastFire 3 fit an optics-ready handgun?
It can be installed on many optics-ready handguns, but it is not universally compatible with every factory optic cut. The firearm must have a Docter-compatible cut or use the correct adapter plate. Screw length can also vary between firearm models.
Add the Burris FastFire 3 to Your Setup
Pair the Burris FastFire 3 3 MOA red dot with the correct EGW Docter-footprint mount or optic plate for your firearm.
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