Burris Fastfire III Review – Top Performing Red Dot Sight


Every shooter is looking to benefit from a rapid, more precise red dot for their scope. Today’s market is filled with a ton of optics and selecting your most preferred option may prove to be a difficult task. Red dot optics are a very popular option because they are designed to be simple, easy to use, and dependable. Burris Fastfire III is one of the most popular choices that you should consider.

This small size red dot sight from the Burris industry is one of the most famous optics in the industry. The Burris Fastfire III reflex optic is a rapid action sighting solution, a great option for any scope. Thanks to its compact size it is easily compatible with your rifle, shotgun, or handgun. Its lightweight feature will not compromise the way you will handle or balance your scope.

It has a very strong and durable frame ensuring that users can take it out no matter what environmental condition they are exposed to or the recoil resistant level. There is a 3 MOA and 8 MOA aiming dot which impresses shooters because of the fast precision and the bright red color of the dot. It comes with a bright adjustment feature that is automatic and works well in adapting to the brightness of the surrounding environment. This gives you the chance to benefit from a faster aim response and you will not need any manual modification. If you are looking to benefit from a quick, easy, and fast red dot the Fastfire 3 is an ideal choice.

Burris Fastfire III Review and Breakdown  

Burris 300234 Fastfire III with Picatinny Mount 3 MOA Sight (Black)
  • PINPOINT ACCURACY – The FastFire III puts an unmistakable red dot at the point of impact within your...
  • LIGHTWEIGHT OPTICS – With lightweight construction and durable design, the FastFire III can be used as...
  • VERSATILITY DEFINED – Rely on the automatic brightness sensor to adjust to match the environmental...
  • RED DOT SIGHT – Choose a 3 MOA dot, popular on rifles or with anyone wanting more pinpoint accuracy, or...

For many years now, the Burris industry has been able to maintain a high position by releasing a series of high-quality and reliable guns and equipment. This Fastfire III model comes from such a reputable company and this model continues to create a heavy impact by attracting a lot of shooters. It is featured as one of the best models in the red dot industry.

Fastfire III is small in size and lightweight. It has proven to be tough and dependable even when exposed to all types of environmental and climatic conditions. Many gun enthusiasts have described this model as their go-to sight. The optic shines a bright red dot onto the target, and this provides you with a lot of precision and speed when firing. The model is available in a 3 MOA or 8 MOA dot.

Shooters use the Fastfire III for both short- and long-range shooting activities. It comes with different features that can be customized. These features include the adjustable reticle for 3 different brightness settings. These settings work well during any kind of lighting condition and in addition, accessing the battery compartment is so easy.

What we liked  

  • It is easy to use and very dependable – The Burris industry ensured that they designed this sight to be user-friendly. Accessing and adjusting the function buttons is so easy.
  • Easy to Mount – The mounting process is so easy. Shooting experts can only take 5 to 10 minutes to place it onto their scope. This saves you a lot of time.
  • Easy to access compartment – Unlike very many sights in the industry, accessing the battery compartment of the Fastfire III is so easy. Shooters can replace the battery even when the sight is still mounted onto the scope. This makes the replacement process fast and easy. The sight also comes with an indicator that works well in letting you know if your sight is running low on power.
  • Different lighting modes – The sight comes with different modes for different lighting situations. There is also a brightness modification setting that functions automatically and can cater to your needs. The different lighting settings work well especially when you move from one environmental condition to the next.

What we didn’t like  

  • The warranty program – Burris products come with a lifetime warranty, however, if your product is faulty or it malfunctions the industry can take several weeks to replace your item and send you a new one.
  • The FastFire III does not come with an off button. Shooters are forced to press onto the brightness modification button repeatedly maneuvering through 4 brightness levels to turn off the red dot. This action could drain out the power of your batteries or perhaps if you are not careful, it could break the brightness button.

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Burris Fastfire III Key Specs 

Burris Fastfire III
Reticle Size
3 and 8 MOA
0.9 Oz
Material Type
Durability Level
Shockproof and Waterproof

Burris Fastfire III Features  

Advanced Features  

With this model, shooters do not have to manually modify the brightness of the red dot. It comes with an automatic modification feature that allows you to use the function hands-free. This hands-free function works well in giving you a rapid response. The automatic feature will modify the red dot to be compatible with the factors in different environmental conditions. When you are exposed to a brighter condition, it gets brighter and when you are exposed to natural light a blue tint appears allowing the sight to stand out a little bit more. Fastfire III also comes with a light sensor that changes the power depending on the direction of the optic as well as the brightness.

This red dot will remain on even when in very dark conditions. The good news is that it does not consume a large amount of energy and the average battery life will last for up to 4 years. For a simple aiming and target visual, the 3 MOA dot releases a bright red dot. This dot can be used as the basic sight, and it can also be paired with a weapon that is already being used on a shotgun or a rifle. Pairing this dot onto your scope gives you the chance to make use of an intense magnification level that you would want from your pistol. This allows shooters to make use of fast aim. This optic provides shooters with an extra level of confidence when firing a shot.

Fastfire III is multi-coated which is great as it protects you from the glare that many red dots have. When peering through the front side of the optic, you will notice a gold or yellow tint on the lens. This coating is strong and dependable and works well in reducing the level of the light reflection from the lens of the Fastfire. This also increases the level of contrast providing you with a clean and clear visual sight.

Level of Clarity  

Just like the name suggests this Fastfire 3 provides you with a rapid aim as well as a crisp and clear red dot. This factor ensures that it is very accurate and it is a favorite amongst gun enthusiasts. The automatic brightness levels work well in adjusting to the surrounding environmental conditions. There is also the optical glass on this red dot that is very high quality and durable.

This red dot is designed with a Hi-Lume coating that adds to the durability level while getting rid of any glare. The magnification level of 1x provides your sight with an additional magnification that your scope cannot. Using this feature will provide you with a clearer image that your naked eye will not be able to achieve. The optic is parallax free, giving you the chance to notice a precise center alignment. Many shooters have mentioned that as soon as you use the side of the sight several times, adjusting to the shift will be easier. If you are suffering from a slight eye problem, or perhaps you wear binoculars, the Fastfire 3 is a great choice as you will have great confidence in hitting your target.

Compact and Light in Weight  

This Fastfire III model is very light in weight, at only 25 grams or 0.9 oz. It is also quite small. Because of the lightweight feature as well as the small size, the stability of your weapon will not be compromised. This makes the Fastfire III a great option for an optimum level of performance.

Fast Mounting Capability  

This optic is popularly known for its fast mounting capability. Many shooters have mentioned that they find it so easy to mount this sight onto their scope. Professional shooters can spend only 10-20 minutes mounting the optic. Not only is the Fastfire III effective and easy to use, but the mounting process also allows you to save so much time.

Three Different Brightness Modes  

You can modify this sight to different lighting settings. The sequence of the brightness settings is, Auto-Bright, Low-Bright, Medium-Bright, and High-Bright. These lighting settings are a great option and serve shooters well especially when they are exposed to different lighting conditions. If you are often maneuvering through different types of lighting conditions, perhaps from indoors to outdoors this feature comes in handy.

Who is it Best Suited For? 

If you are a hunter looking to achieve a high level of accuracy and benefit from a quick target acquisition feature Burris Fastfire III is a great choice for you. This optic is optimized for all types of tactical applications. This makes it a reliable choice for military use. It is also very strong.

Are there any alternatives to the Burris Fastfire III?  

Yes, there are. Some of the best options include the Vortex Strikefire 2 and the Primary Arms MD-RB-AD

Features of the Burris FastFire III alternatives

Vortex Strikefire 2
Primary Arms MD-RB-AD
MOA Options
Color of the red dot
Red, Green and Bright Red
Battery Life
7,000 hours
50,000 hours
Cantilever ring mount
Picatinny mount
7.2 Oz
5.5 Oz
5.6 inches
4.8 inches

Verdict: So, should you get the Burris FastFire 3?  

This model has helped many shooters improve their aim. It is a highly recommended sight especially for beginners in the tactical field. Burris Fastfire III is a great investment especially for those who are looking for a compact optic that is light in weight. With the Fastfire III, you are guaranteed that you will always achieve a perfect aim and shot. This sight is of better quality than many other optics in the market.


Does this Burris Fastfire 3 model come with any type of accessories?  

Yes, it does. You can also choose to purchase the Picatinny mount if you think it will come in handy during your shooting activities.

Is it possible for me to return my defective sight to the Burris industry?  

Yes, if your device is faulty, you can return it to the Burris industry, and you are guaranteed that Burris will send you a replacement after one week or after a month.


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