Burris Fastfire 3 Vs Vortex Venom

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Welcome to the comparison of the Burris Fastfire 3 and Vortex Venom.

You’ve landed in the right place if you’re on the hunt for an efficient and trustworthy optic for your gun. The main characteristics, advantages, and disadvantages of the Burris Fastfire 3 and the Vortex Venom will be covered in detail in this article so that you can make an informed choice. 

Read on to find out which of these outstanding red dot sights best fit your requirements.

Core Specifications

Burris Fastfire 3Vortex Venom
Dot size (MOA)3 MOA or 8 MOA3 MOA or 6 MOA
Battery typeCR-1632CR-1632
Battery life5k hours150 – 30K hours
Night Vision CompatibleNoYes
Weight0.9 oz1.1 ounces
Max Elevation115 MOA130 MOA
Max Windage86 MOA100 MOA
Mount TypeWeaver/PicatinnyWeaver/Picatinny
WarrantyBurris Forever WarrantyVortex Lifetime Warranty

Compare Deals:

Burris FastFire 3
Burris FastFire III Reflex Red Dot Sight

What’s The Difference: Fastfire 3 Vs Venom?

The main differences between the Burris fast fire 3 and vortex venom are:

1. Manufacturer

Burris Optics produces the Burris FastFire 3, while Vortex Optics produces the Vortex Venom.

2. Brightness Settings

The Venom has ten illumination levels, compared to the FastFire 3’s three manual illumination settings and one automatic setting.

3. Battery Life

The Venom has an extended battery life of up to 30k hours on the minimum brightness setting, compared to the FastFire 3’s roughly 5,000 hours on medium brightness. 

4. Weight

The Venom weighs about 1.1 ounces, whereas the FastFire 3 weighs about 0.9 ounces. 

Aspect Comparison

1. Durability

The Burris Fastfire 3 and the Vortex Venom have been constructed to be amazingly durable and take on the rigors of demanding shooting circumstances.

The Burris Fastfire 3 is compatible with various firearms because its resilient building can withstand strong recoil. It has durable aluminum housing that offers excellent impact resistance and ensures reliability over time. 

The Fastfire 3 is also shockproof, impermeable, and fogproof, so you can use it with assurance in various climates without worrying about its dependability.

Like that, the Vortex Venom was made with toughness in mind. It has a strong aluminum housing capable of handling abuse and recoil. 

Additionally, the sight is O-ring sealed, guaranteeing dependable performance in waterproofing and fogproofing. This means that the Vortex Venom is reliable even in adverse outdoor conditions.

The Burris Fastfire 3 and the Vortex Venom have a history of sturdiness.

Winner: Draw

2. Reticle

The Burris Fastfire 3 is available in two different models with 3 MOA and 8 MOA dots reticle choices. In addition to offering a precise aiming point, the 3 MOA reticle enables quick target acquisition. 

The 3 MOA dot is appropriate for various shooting situations, from close-quarters combat to mid-range shooting. The 8 MOA dot, however, is used for swift focus on acquisition.

The Vortex offers two reticle choices, similar to the Burris Fastfire 3. The first choice is a 3 MOA dot that offers accurate aiming and quick target acquisition, much like the Burris Fastfire 3. 

The second choice is a 6 MOA dot, which offers a larger aiming point and is perfect for shooting at close range and engaging targets more quickly.

Winner: Draw

3. Size and Weight

Because of their small size and lightweight, the Burris Fastfire 3 and the Vortex Venom are extremely adaptable to various weaponry and shooting setups.

The approximate dimensions of the Burris Fastfire 3 are 1.9 inches in length, 1.0 inches in width, and 1.0 inches in height. It contributes to the minimal weight increase on your firearm by weighing about 0.9 ounces (25 grams).

The Vortex Venom has similar proportions, measuring roughly 1.9 inches in length, 1.0 inches in width, and 1.0 inches in height. The Vortex Venom weighs approximately 1.1 ounces (31 grams), which makes it a little heavier than the Burris Fastfire 3.

No matter which option you choose—the comparatively lighter Burris Fastfire 3 or a bit heavier Vortex Venom—both provide practical and ergonomic designs for relaxing and trouble-free shooting experiences.

Winner: Burris Fastfire 3

4. Lens and Glass Clarity

The Burris Fastfire 3 has excellent optics and a carefully crafted lens. The lens is made to minimize chromatic aberration and offer a sharp, undistorted view of the target. 

Accurate aiming and target acquisition are guaranteed by the sight picture provided by the Fastfire 3’s low colour fringing and good contrast.

The Vortex Venom has similarly excellent optics and a premium-grade lens. The lens’s exceptional clarity enables accurate aiming and monitoring of targets. The Venom’s glass is designed to ensure a great transfer of light, producing a vivid and easy-to-read sight picture even in low-light conditions.

Shooters can anticipate a high degree of clarity and accuracy when peering through the lens of either red dot sight because both prioritize optical performance.

Winner: Draw

5. Power Source

A CR1632 battery serves as the source of energy for the Burris Fastfire 3’s operation and the Vortex Venom. This battery is easily replaceable when necessary because it is widely accessible.

Due to the effective energy use of both red dot sights, the battery can operate for an extended period. It is advised to keep extra batteries on hand to ensure the sight is always operational during prolonged shooting sessions or life-or-death situations.

Winner: Vortex Venom

6. Brightness Setting

The Burris Fastfire 3 has an automatic brightness setting that modifies the dot intensity in line with the lighting environment. Without requiring manual adjustments, this automatic mode guarantees ideal visibility. 

The Fastfire 3 also offers manual brightness modification options, enabling users to precisely tailor the dot illumination to their requirements. There are typically several levels of illumination to choose from in the manual settings.

A similar option is provided by the Vortex Venom, which has both automatic and manual light settings. The dot brightness is adjusted in the automatic mode to provide the best aiming point based on the ambient lighting conditions. 

Venom’s manual brightness adjustment options let users choose the dot intensity they want from various brightness settings.

With their light settings, the Vortex Venom and the Burris Fastfire 3 both prioritize versatility and adaptability. 

Winner: Vortex Venom

7. Mounting Options

The Picatinny/Weaver mounting system is a well-liked and broadly adaptable mounting system used by the Burris Fastfire 3. 

This mount offers a safe connection to weapons with Picatinny or Weaver rails, ensuring dependability and durability. 

The Fastfire 3 can also be seamlessly integrated with various pistol models due to its compatibility with various mounting plates for particular handguns.

A similar Picatinny/Weaver-style mount is used by the Vortex Venom, providing a reliable and safe attachment to weapons with these rail systems. This mounting system ensures stability and simplicity of installation.

Winner: Draw

8. Price

The Burris Fastfire 3 is a red dot sight that falls into somewhere in the middle price range and strikes a balance between affordability and quality.

On the other hand, the Vortex Venom is likewise regarded as a mid-range option in terms of cost.

Please be aware that costs can change over time due to things like customer demand and availability of the product.

Winner: Draw

Pros of Burris Fastfire 3

Here are some pros of Burris fast-fire 3.

  • Strong and resilient design
  • It can withstand harsh conditions
  • Compact and lightweight construction
  • Trustworthy Sight
  • Accurate aiming and rapid target acquisition
  • Shockproof, fogproof, and watertight construction
  • Quick and flexible mounting (compatible with Picatinny/Weaver rails)
  • Mid-range pricing sight

Cons of Burris Fastfire 3

Here are some cons and problems of Burris fastfire 3.

  • It might be necessary to momentarily remove the sight from the gun to replace the batteries.
  • Not as well-known as some rival brands in the marketplace.

Pros of Vortex Venom

Here are some pros of vortex venom.

  • Sturdy and long-lasting design
  • Crafted to withstand recoil and difficult circumstances
  • Minimize the firearm’s additional weight
  • Vivid vision picture
  • Flexible mounting possibilities
  • Water- and fog-resistant
  • Reputable brand with an effective warranty and assistance for customers.

Cons of Vortex Venom

Here are some problems of vortex venom.

  • The Vortex Venom sight on the weapon might need to be unexpectedly replaced for battery replacement.

Final Verdict

Both sights provide a variety of capabilities and performance, which make them well-liked options on the market. 

The Burris Fastfire 3 might be better if you emphasize tough longevity, a small size, and compatibility with different handgun mounting plates. 

It’s a good option due to its 3 MOA dot reticle, automatic illumination adjustment, and dependable performance in bad weather.

On the other hand, the Vortex Venom might be the better choice if you place a premium on reticle flexibility, excellent glass clarity, and a well-known company with supportive customers. 


Can the Burris Fastfire 3 be used on handguns?

Yes, the Fastfire 3 can be used on handguns.

Is the Burris Fastfire 3 suitable for use with night vision devices?

No, the Fastfire 3 does not support night vision.

Is the Vortex Venom resistant to recoil?

Yes, the Venom is built to withstand a lot of recoil, thus rendering it suitable for a wide range of firearms.

Does a warranty cover the Vortex Venom?

Yes, Vortex Optics provides a lifetime warranty.

Does the Vortex Venom come with lens caps or shielding covers?

Yes, Vortex Venom usually comes with lens caps or shields to help protect the lenses when not used.

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