Burris Fastfire 3 Vs Trijicon RMR

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Welcome to the comparison of the Burris Fastfire and Trijicon RMR.

If you’re an enthusiastic shooter looking for unrivaled precision and speed in focus on acquisition, you’ve stumbled upon the right spot. 

These two optics are popular for their excellent performance and are used by professionals all over the world. I’ll examine the salient characteristics, benefits, and negative aspects of each sight in this review so you can make an educated choice. 

Let me lead you through this intriguing assessment of the Burris Fastfire 3 and the Trijicon RMR Type 2 as you sit back, unwind, and enjoy the discussion.

Core Specifications

Burris Fastfire 3Trijicon RMR
Dot size (MOA)3 MOA or 8 MOA3.25 MOA
Battery typeCR-1632CR-2032
Battery life5k hours40K hours
Night Vision CompatibleNoYes
Length1.9 in1.8 in
Weight0.9 oz1.2 ounces
Mount TypeWeaver/PicatinnyWeaver/Picatinny
WarrantyBurris Forever WarrantyLifetime Limited Warranty

Compare Deals:

Burris FastFire 3
Burris FastFire III Reflex Red Dot Sight

Compare Deals:

Trijicon RMR
Trijicon RM06 RMR Type 2 Adjustable LED Red Dot Sight
Trijicon 3.25 Adj Red RMR Type 2
Trijicon RMR Type 2 Adjustable LED Sight, 3.25 MOA RED DOT
Trijicon RMR Type 2 Adjustable LED Reflex Sight
Trijicon RMR Type 2 Adjustable LED Red Dot Sight

What’s The Difference Between Fastfire 3 Vs Trijicon RMR?

The main differences between the Burris Fastfire 3 and Trijicon RMR are:

  1. The RMR Type 2 has a forged aluminum housing for increased durability while the Fastfire 3 has a small, light, and tough aluminum housing.
  1. Unlike the RMR Type 2, which offers a 3.25 MOA dot for a precise aiming point, the Fastfire 3 has unlimited eye relief and a 3 MOA red dot reticle.
  1. The Fastfire 3’s battery life is about 5,000 hours, whereas the RMR Type 2’s battery life is up to 4 years.

Features Comparison Fastfire 3 Vs RMR?

1. Durability

Burris Fastfire 3: The Burris FastFire 3 is made to be sturdy and resistant to adverse weather. It has a strong aluminum housing that shields it from crash and recoil. 

Additionally, the sight is impervious to water, fog-proof, and shockproof, guaranteeing its ability to function in inclement weather and rough handling. 

Despite the FastFire 3’s reputation for toughness, I experienced a minor problem with the battery compartment cover gradually becoming loose.

Trijicon RMR: The Trijicon RMR Type 2 is also well known for its tough design and longevity. It has an impact-, recoil-, and rough handling-resistant aluminum housing. 

Additionally, the Trijicon RMR Type 2 is made to be waterproof up to a specific depth, enabling it to function dependably even in rainfall. 

Additionally, it is fog- and shock-proof. Trijicon is renowned for its exacting testing procedures, and the RMR series’ extensive use by law enforcement and military agencies attests to its robustness.

Winner: Draw

2. Reticle

Burris Fastfire 3: The Burris FastFire 3 primarily provides two reticle choices. First, it consists of a single 3 MOA (Minute of Angle) red dot. It delivers an accurate aiming point for close-to-midrange shooting. 

Second, the larger and wider 8 MOA dot reticle, can be helpful for quick targeting and close-range shooting because it offers an expanded aiming point.

Trijicon RMR: The Trijicon RMR, on the other hand, has a single 3.25 MOA red dot that provides accurate aiming over an array of shooting distances. 

Note: It should be noted that the Burris FastFire 3 and Trijicon RMR Type 2 models might both have more reticle choices or variations, so it is best to check the particular versions and their characteristics to ensure accuracy.

Winner: Trijicon RMR

3. Size and Weight

Burris Fastfire 3: The Burris FastFire 3 is a well-liked option for guns where weight and dimensions are important considerations because of its reputation for being small and light. The FastFire 3’s approximate size and weight are listed below:

Dimensions: 1.8 in x 1 in x 0.9 in

Weight: 0.9 oz (25.5 grams)

Trijicon RMR: Additionally made to be portable and light, the Trijicon RMR Type 2 is a flexible option for handguns, rifles, and other firearms. Its dimensions and weight are roughly as follows:

Dimensions: 1.8 in x 1.2 in x 1 in

Weight: 1.2 oz

Winner: Burris Fastfire 3

4. Lens and Glass Clarity

Burris Fastfire 3: A clear and sharp image is provided to the shooter by the Burris FastFire 3’s premium optics. The lens is made to decrease misshaping and offer a clear view of the target.

Trijicon RMR: The Trijicon RMR Type 2 is additionally known for its crystal-clear, high-quality lenses. The lens is made of expensive glass that has been multi-coated to improve brightness and lessen glare. 

Trijicon RMR is also known for its cutting-edge lens technologies, including its unique True-Color multicoating, which can boost color contrast and increase clarity. 

Winner: Draw

5. Power Source

Burris Fastfire 3: An individual CR1632 lithium battery powers the Burris FastFire 3. This kind of battery is typically found in many electronic devices and gives the FastFire 3 an efficient power source. 

The CR1632 battery is broadly accessible and simple to change when necessary. Depending on consumption, light settings, and other elements, the battery life may change.

Trijicon RMR: The Trijicon RMR Type 2 is powered by a single CR2032 lithium battery. The RMR Type 2 has a reliable power source available in the form of the widely used CR2032 battery. 

The Trijicon RMR Type 2’s battery life is influenced by factors like consumption and light settings, just like the Burris FastFire 3.

Winner: Trijicon RMR

6. Brightness Setting

Burris Fastfire 3: The Burris FastFire 3 typically has three manual brightness settings that let you control the red dot’s brightness. 

These options, which range from low to bright, give you the flexibility to adjust to various lighting scenarios. An automatic brightness mode is also available on some FastFire 3 models. 

In this setting, the optic modifies its brightness in response to the surrounding lighting. This can be especially helpful when transitioning between various lighting settings.

Trijicon RMR: A variety of brightness settings are available for the Trijicon RMR Type 2 for use in various lighting conditions. The 

Trijicon RMR Type 2 typically has several manual light settings, letting you customize the reticle’s illumination to your tastes. 

Some Trijicon RMR Type 2 models have an auto-adjust manner that automatically changes the reticle’s light based on the outside lighting. 

Winner: Trijicon RMR

7. Mounting Options

Burris Fastfire 3: The Burris FastFire 3 can be attached to firearms with Picatinny or Weaver-style rails with ease due to its Picatinny/Weaver mount. A safe and reliable connection is offered by this mount. 

The FastFire 3 comes in a few different configurations, some of which allow the optic to be mounted directly to specific handgun designs without the use of a distinct mounting plate. This offers a discrete and organized setup.

Trijicon RMR: Trijicon offers a range of RMR mounts, as well as different adapter plates and mounting mechanisms. 

These mounts make it simple to install the RMR Type 2 on weapons with various mounting designs, like Glock MOS pistols or the ones with particular slide cuts. 

Additionally, a Picatinny/Weaver mount can be used to mount the RMR Type 2. In addition, there are numerous aftermarket mounting options for the Trijicon RMR available from third-party vendors.

Winner: Trijicon RMR

8. Price

Burris Fastfire 3: In comparison to the Trijicon RMR Type 2, the Burris FastFire 3 is frequently regarded as a more affordable choice. 

Depending on the particular version and reticle choice, the price varies for the Burris FastFire 3.

Trijicon RMR: Comparing the Trijicon RMR Type 2 to the Burris FastFire 3, the former is known for its superior durability and workmanship, which is typically reflected in a higher price range. 

Winner: Burris FastFire 3

Pros of Burris Fastfire 3

Here are some pros of Burris Fastfire 3.

  • Durable and resilient design
  • It can endure heavy recoil
  • Lightweight construction
  • Trustworthy Optics
  • Provides precise aiming
  • Shockproof, fog proof, and waterproof
  • Quick and flexible mounting options
  • Mid-range pricing sight

Cons of Burris Fastfire 3

Here are some problems of Burris fastfire 3.

  • Need to take off the sight from the weapon to replace the batteries.
  • Not a popular brand

Pros of Trijicon RMR

Here are some pros of Trijicon RMR.

  • Highly Durable
  • Aiming point that is obvious and precise
  • Windage and elevation adjustments allow for precise zeroing.
  • Maximum visibility under different lighting conditions.
  • Continual use for four years.
  • Professionals trust it and use it frequently

Cons of Trijicon RMR

Here are some problems of the Trijicon RMR.

  • Expensive Sight
  • Glare in certain lighting conditions.

Final Verdict

Among the Burris Fastfire 3 and the Trijicon RMR Type 2, the RMR Type 2 is found to be the preferred option. It is the go-to sight because of its exceptional toughness, adaptability, and performance as a whole.

Furthermore, the RMR Type 2’s aiming point is worthy in its clarity and accuracy. The RMR Type 2 provides an excellent sighting solution for self-defense, competitive shooting, and tactical uses.


Can a Burris FastFire be used with an RMR cut slide?

No, the Burris FastFire and Trijicon RMR do not have the same mounting layout.

What distinguishes Burris and Trijicon optics from one another?

The Burris provides greater pinpoint accuracy at close ranges while also being a main sight with an existing reflex sight. The Trijicon RMR is a small, tough red dot that has great close-range engagement capabilities.

Is the Burris FastFire 3 waterproof?

Yes, waterproof and submersible. 

What does Trijicon RMR stand for?

Ruggedized miniature reflex

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