Burris FastFire 2 Vs 3

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Welcome to the comparison of the Burris FastFire 2 and Burris FastFire 3. 

The world of optics has undergone significant advancements as technology progresses, and the FastFire series is at the cutting edge of this development. 

Given that both sights have a comparable history, it’s critical to comprehend the upgrades and additions that could transform the FastFire 3. 

Several differences between the FastFire 2 and FastFire 3 will be discussed in this review. In my effort to present you with an accurate comparison, I’ll look into everything from functionality and specs to design and build quality.

Core Specifications

Burris FastFire 2Burris FastFire 3
Dot size (MOA)4 MOA3 MOA or 8 MOA
Battery typeCR-2032CR-1632
Battery life5k hours5k hours
Night Vision CompatibleNoNo
Weight0.9 oz0.9 oz
Mount TypeWeaver/PicatinnyWeaver/Picatinny
WarrantyBurris Forever WarrantyBurris Forever Warranty

Compare Deals:

Burris FastFire 3
Burris FastFire III Reflex Red Dot Sight

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Burris FastFire 2
Burris FastFire II Reflex Red Dot Sight

What’s The Difference Between Burris FastFire 2 and 3?

The main differences between the Burris FastFire 2 and 3 are:

  • In comparison to the Burris FastFire 2, the Burris FastFire 3 has a smaller, more streamlined design. 
  • The Burris FastFire 3 also uses better construction materials, which improves longevity and recoil resistance.
  • Compared to the FastFire 2, the FastFire 3 boasts clearer lenses. 
  • Both sights can be mounted using a variety of distinctive systems, but the FastFire 3 has more mounting possibilities. 
  • Generally speaking, the FastFire 3 costs more than the FastFire 2. 

Features Comparison of Burris FastFire 2 and 3

1. Durability

Both the FastFire 2 and FastFire 3 by Burris are designed to be durable and resist the demands of shooting. 

To be more durable than the FastFire 2, the FastFire 3 has several improvements over the FastFire 2. These improvements include better building materials and increased recoil resistance.

The FastFire 3’s building materials are intended to offer increased durability, thus guaranteeing the sight can withstand the strains and vibrations brought on by shooting. 

While the FastFire 2 is also a tough sight, the FastFire 3 reflects a design and material development that enhances its general reliability and dependability. 

Winner: Burris FastFire 3

2. Reticle

The FastFire 2 uses a 4-MOA (Minute of Angle) red dot reticle. The dot size is 4 MOA, which corresponds to a dot covering 4 inches at an average distance of 100 yards. 

In most shooting situations, this reticle size provides a good compromise between visibility and accuracy. It is possible to aim quickly and precisely due to the red dot’s clarity and sharpness.

There are two different reticle choices for the FastFire 3: a 3-MOA and an 8-MOA red dot reticle. The 3-MOA reticle has a smaller size targeting point than the FastFire 2. To quickly acquire targets, the 8-MOA reticle provides a larger dot size. 

Winner: Burris FastFire 2

3. Size and Weight

The size and weight of the Burris FastFire 2 and FastFire 3 are marginally different. The following general descriptions for each sight are provided:

Burris FastFire 2:

Dimensions (Length x Width x Height): Approximately 1.8 inches x 1 inch x 0.9 inches

Weight: Approximately 0.9 ounces

Burris FastFire 3:

Dimensions (Length x Width x Height): Approximately 1.9 inches x 1 inch x 0.9 inches

Weight: Approximately 0.9 ounces

Winner: Burris FastFire 2

4. Lens and Glass Clarity

An excellent lens, which offers good visibility and clarity, is included with the FastFire 2. To increase the flow of light, decrease glare, and boost image clarity, the lenses are multi-coated. 

Although the FastFire 2 provides a good sight picture, it’s important to note that the FastFire 3 has made improvements in this area.

The FastFire 3 enhances the FastFire 2’s lens technology, providing a clearer and more defined sight picture. The FastFire 3’s multi-coated lenses increase visibility while lowering reflections and improving brightness. 

With better visibility and image quality as a result, it is possible to acquire targets more quickly and with greater accuracy as a result of this advancement.

Winner: Draw

5. Power Source

An individual CR2032 lithium battery powers the FastFire 2. This battery is widely accessible and offers a dependable power supply for the sight. 

With its automatic timeout characteristic, the FastFire 2 saves battery life by turning it off after a predetermined amount of inactivity.

One CR-1632 lithium battery serves as the power source for the FastFire 3. Additionally, this battery is easy to find and easily replaceable when necessary. 

Winner: Burris FastFire 2

6. Brightness Setting

One fixed brightness setting can be found on the FastFire 2. As a result, the user cannot change the red dot reticle’s illumination level; it remains constant. 

While the FastFire 2’s brightness level is intended to offer the best visibility under most lighting conditions, it might not be as adaptable as sights with adjustable illumination settings.

The FastFire 3 offers a variety of brightness settings, enabling the user to modify the red dot reticle’s intensity following what they want and the available lighting. 

It typically has 3 to 4 illumination settings, allowing you to adjust the level of light based on the lighting conditions where you’ll be shooting. 

The FastFire 3 can be used efficiently in a variety of lighting situations, from sunny outdoor locations to low-light or interior spaces, due to its versatility.

Winner: Burris FastFire 3

7. Windage and Elevation Adjustments

The windage and elevation adjustments on the Burris FastFire 2 and FastFire 3 are different. 

There are a few windage and elevation adjustment options with the FastFire 2. The sight can be manually adjusted to be focused on a particular point of impact. Although the adjustments are fairly coarse, they might not offer precise tuning.

Comparing the FastFire 3 to the FastFire 2, you can adjust the windage and elevation more easily. It has external modification dials that enable more exact and gradual adjustments at the point of impact.

Shooters can more precisely zero the sight and make precise changes due to this.

Winner: Draw

8. Mounting Options

The Burris FastFire 2 and FastFire 3 both provide a variety of mounting options to support various setups and firearms. An overview of their mounting choices is provided below:

The Picatinny/Weaver-style mount, which is a typical mounting system used on many weapons and accessories, is included with the FastFire 2. It enables safe attachment to appropriate rails. 

Burris provides specialized handgun mounts that enable the FastFire 2 to be mounted directly on some types of pistols. These mounts give pistols an elegant and low-profile setup.

Similar to the FastFire 2, the FastFire 3 has a Picatinny or Weaver-style mount that enables quick connection to compatible rails. 

Burris offers specific pistol mounts for the FastFire 3 that can be installed directly on a variety of firearm models. 

Additionally, the FastFire 3 is compatible with particular AR mounts that provide the best height and placement for rifles in the AR style.

Winner: Draw

9. Price

The FastFire 2 and FastFire 3 prices are subject to change according to several factors, including the buyer’s location, the seller’s price, and any current specials or discounts. 

But generally speaking, the Burris FastFire 3 is more expensive than the FastFire 2, so that is something to keep in mind.

The FastFire 3 typically commands a greater cost because it is a more recent model with enhanced functions and enhancements. 

This is because it has more capabilities, like adjustable illumination settings, clearer lenses, and a more streamlined design. Being an older model, the FastFire 2 might frequently be offered at a lower price.

Winner: Burris FastFire 2

Pros of Burris FastFire 2

Here are some pros of Burris FastFire 2.

  • Tiny and light design
  • Acquiring a target is simple and quick. 
  • Suitable for an array of firearms
  • A reasonable price range
  • Auto-off functionality prolongs battery life.

Cons of Burris FastFire 2

Here are some cons of Burris FastFire 2.

  • Fixed brightness setting 
  • Limited adjustment options
  • Limited battery life

Pros of Burris FastFire 3

Here are some pros of Burris FastFire 3.

  • Sleek and small in size
  • Optimum lens clarity 
  • Various brightness options 
  • Battery compartment mounted on the side
  • Flexible mounting choice
  • Superior longevity and recoil resistance

Cons of Burris FastFire 3

Here are some problems of the Burris FastFire 3.

  • Pricier than the Burris FastFire 2
  • Limited adjustment options

Final Verdict

The Burris FastFire 2 or FastFire 3 depends on what you need, your tastes, and budgetary limitations. 

The FastFire 2 is a trustworthy and reasonably priced red dot sight. It features a small design, a fixed red dot reticle for simple target acquisition, and the strength to withstand recoil. 

The FastFire 2 may be a good option if you have a limited budget or prefer a simple red dot sight with no advanced features.

The FastFire 3 is an updated model that has some advantages over the FastFire 2. For shooters who value adjustable brightness, enhanced optics, and a stylish design, the FastFire 3 offers more adaptability and customization options. 

So, if you value cutting-edge features and improved performance, the FastFire 3 might be a better choice. 


Can the Burris FastFire 2 and FastFire 3 be used in the rain?

Yes, both the FastFire 2 and FastFire 3 are water-resistant. They have been constructed to withstand various climates and can be used in damp environments without losing efficiency.

Can the Burris FastFire 2 and FastFire 3 handle recoil?

Yes, both sights are designed to deal with recoil.

Are there any warranties available for the Burris FastFire 2 and FastFire 3?

Yes, Burris provides warranties for the FastFire 2 and FastFire 3.

Are there auto-off features for Burris FastFire 2 and FastFire 3?

Yes, the auto-off function is present on both sights and aids in battery conservation. After a predetermined amount of inactivity, the sight will shut off automatically.

Are the FastFire 2 and 3 by Burris parallax-free?

Yes, both sights are parallax-free by design.

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