5 Best CO₂ Air Rifle for Pest Control

Best CO₂ Air Rifle for Pest Control should offer reliable accuracy, practical power, quiet operation, and easy use.. These air rifles provide a convenient option for controlling certain small pests where their use is legal and appropriate. When choosing one, factors such as caliber, muzzle energy, accuracy, CO₂ efficiency, magazine capacity, noise level, and sighting options are important. A suitable model should also be comfortable to handle and provide consistent performance at the intended shooting distance.

Best CO₂ Air Rifle for Pest Control

1. Umarex Fusion 2 Quiet .177 Caliber Pellet Gun Air Rifle

The Umarex Fusion 2 is a .177-caliber CO₂ air rifle designed around quiet operation, easy handling, and consistent accuracy. Its combination of a built-in noise dampener, repeat-shot magazine, and included scope makes it suitable for users looking for a relatively quiet airgun for pest-control applications where legal and appropriate.

Key Features

Ultra-Quiet SilencAir System
The Fusion 2 features Umarex’s enhanced five-chamber SilencAir noise dampener, which is permanently attached to the rifle. The system is designed to reduce muzzle noise, making the rifle considerably quieter than many conventional airguns. This can be particularly useful when minimizing disturbance is important.

CO₂-Powered Performance
The rifle can operate using two 12-gram CO₂ cartridges, with the supplied adapter removable so that an 88-gram CO₂ cylinder can be used instead. According to the supplied specifications, two 12-gram cartridges can provide more than 70 shots, while an 88-gram cylinder can provide upwards of 250 shots. CO₂ cartridges are not included.

.177-Caliber Accuracy
The Fusion 2 fires .177-caliber pellets through a rifled barrel and is rated for velocities of up to 700 feet per second. The .177 caliber offers a wide selection of pellets and can be useful for target shooting and appropriate small-pest applications where local laws permit.

9-Shot Rotary Magazine
A 9-shot magazine provides repeat-shot capability without manually loading a pellet after every shot. Umarex describes the magazine as particularly easy to load, making it convenient for extended shooting sessions. Spare magazines are compatible with part number 2251366.

4×32 Scope Included
A 4×32 airgun scope with a duplex reticle is included. The rifle uses an integrated Picatinny-style/Nucleus mounting rail, allowing the scope to be securely mounted without relying on open sights.

Ergonomic Synthetic Stock
The synthetic stock is designed for comfortable handling while providing a durable and rugged exterior. Its ergonomic shape is intended to accommodate shooters of different sizes while keeping the rifle practical for regular use.

M-LOK Slots
M-LOK slots are incorporated on both sides of the stock, providing mounting points for compatible accessories. This gives the rifle some flexibility for users who want to configure it for different shooting applications.

Specifications

Pros

• Very quiet operation with the five-chamber SilencAir dampener
• .177-caliber rifled barrel designed for accuracy
• Up to 700 FPS advertised velocity
• 9-shot magazine allows faster follow-up shots
• 4×32 scope included
• Can use either two 12-gram CO₂ cartridges or an 88-gram cylinder
• More than 70 shots claimed from two 12-gram cartridges
• Upwards of 250 shots claimed from an 88-gram cylinder
• Ergonomic and durable synthetic stock
• M-LOK slots provide accessory-mounting options

Cons

• CO₂ cartridges or cylinders are not included
• Performance and shot count can vary with temperature, shooting conditions, and firing rate

2. Crosman 1077 RepeatAir Semi-Automatic CO2-Powered .177-Caliber Pellet Air Gun

3. Beeman AR2078A-22 Air Guns Rifles

4. Diana Trailscout CO2 Air Rifle air Rifle

 

The Diana Trailscout CO₂ Air Rifle is a bolt-action CO₂-powered pellet rifle designed to combine repeat-shot capability, practical handling, and consistent performance. Its three-cartridge CO₂ system, 9-shot magazine, rifled barrel, and adjustable rear sight make it a versatile option for target shooting and appropriate pest-control applications where permitted. The .177-caliber version can reach velocities of up to 660 FPS and delivers up to 11.5 FPE.

Key Features

Three-Cartridge CO₂ System
One of the Trailscout’s defining features is Diana’s patented three-cartridge carriage system. The rifle uses three 12-gram CO₂ cartridges simultaneously, providing a larger gas supply than many rifles that use only one cartridge. Diana states that the system can provide approximately 100 shots per fill. CO₂ cartridges are not included.

.177-Caliber Pellet Performance
The .177-caliber Trailscout is capable of velocities of up to 660 FPS. Its rifled barrel is designed to stabilize pellets and provide consistent accuracy. The .177 caliber also offers a broad selection of pellet types, making it useful for recreational shooting, target practice, and appropriate small-pest applications where legal.

9-Shot Magazine and Single-Shot Tray
The Trailscout provides two loading options. Shooters can use the supplied 9-shot magazine for repeat shooting or the included single-shot tray when they prefer to load pellets individually. This flexibility allows the rifle to be used for both recreational shooting and more deliberate target practice.

Bolt-Action Operation
The rifle uses a bolt-action mechanism. The bolt is operated between shots, while the magazine automatically presents the next pellet for loading. This provides a controlled shooting cycle while retaining the convenience of a multi-shot magazine.

19-Inch Rifled Barrel
A 19-inch rifled barrel gives the Trailscout a substantial sighting platform while helping stabilize pellets in flight. The barrel contributes to the rifle’s overall length of 38.9 inches.

Adjustable Sights and Optics Rail
The Trailscout comes with a fixed blade front sight and an adjustable rear notch sight. Shooters who prefer an optic can use the integrated 11mm dovetail rail to mount a compatible scope or other suitable optic.

Adjustable Trigger
An adjustable trigger allows the shooter to customize the trigger characteristics to some degree. This can help provide a more consistent shooting experience, particularly when shooting from a stable position.

Practical Synthetic Design
At approximately 5 pounds, the Trailscout is relatively manageable to carry and handle. Its checkered pistol grip and forearm provide additional grip, while the overall design makes it suitable for outdoor shooting sessions.

Specifications

Pros

• Three-cartridge CO₂ system provides approximately 100 shots per fill
• 9-shot magazine provides convenient repeat shooting
• Includes a single-shot tray for deliberate loading
• .177 caliber is widely supported by different pellet options
• Rifled 19-inch barrel
• Advertised velocity of up to 660 FPS
• Maximum energy listed at 11.5 FPE
• Adjustable trigger
• Adjustable rear sight
• 11mm dovetail rail allows an optic to be installed
• Relatively light 5-pound overall weight
• Checkered grip and forearm improve handling
• 2-year limited warranty

Cons

• Requires three CO₂ cartridges rather than one
• CO₂ cartridges are not included

5. Beemanfixed Blade,Hunting Knife,Hunting,Outdoor

 

The Beeman QB78-22 CO₂ Air Rifle is a classic bolt-action, single-shot air rifle designed for controlled shooting and practical outdoor use. It uses two standard 12-gram CO₂ cartridges and combines a hardwood stock with a blued metal finish, adjustable trigger, and conventional front and rear sights. For a Best CO₂ Air Rifle for Pest Control roundup, its .22-caliber configuration makes it suitable for appropriate small-pest applications where airgun use is legal.

Key Features

CO₂-Powered Performance
The QB78-22 operates on two standard 12-gram CO₂ cartridges. This gives the rifle a straightforward power system without the need for a spring or gas-ram mechanism. The cartridges are loaded into the rifle and provide the compressed gas needed to propel pellets.

.22-Caliber Pellet Configuration
The QB78 is available in .22 caliber, with the information supplied listing a maximum velocity of approximately 500 FPS. The .22-caliber pellet provides a larger projectile than .177, making this configuration particularly relevant for controlled close-range shooting and appropriate small-pest applications.

Bolt-Action Single-Shot Design
The rifle uses a bolt-action, single-shot system. After each shot, the bolt is operated and another pellet is loaded into the breech. While this is slower than a repeating design, it encourages deliberate shooting and allows the shooter to concentrate on accurate shot placement.

Hardwood Stock
A European hardwood stock gives the QB78 a traditional appearance and provides a solid shoulder platform. The hardwood construction can also appeal to shooters who prefer the feel and appearance of a conventional rifle rather than a synthetic-stock design.

Blued Finish
The metal components feature a blued finish, giving the rifle a classic appearance while providing a degree of surface protection. As with any blued firearm or airgun finish, proper cleaning and storage are important to help prevent corrosion.

Adjustable Trigger and Manual Safety
The QB78 features an adjustable trigger that allows the shooter to tune the trigger characteristics. A manual safety is also provided, adding an additional safety feature when the rifle is loaded.

Front and Rear Sights
The rifle comes with front and rear sights for aiming without requiring a scope. The supplied information also references a Rebel air rifle configuration with a 4×20 scope, but the QB78-22 specifications provided here list front and rear sights rather than confirming that a scope is included with the QB78-22 itself.

Specifications

Pros

• .22-caliber pellet configuration
• CO₂-powered operation
• Uses two standard 12-gram CO₂ cartridges
• Bolt-action single-shot design
• Hardwood stock provides a traditional rifle appearance
• Blued finish
• Adjustable trigger
• Manual safety
• Front and rear sights included
• Approximately 500 FPS advertised velocity
• Suitable for controlled close-range shooting
• Practical option for appropriate small-pest applications where legally permitted

Cons

• Single-shot design requires reloading after every shot
• Two CO₂ cartridges are required for operation

Also read: Best .177 CO₂ Air Rifle

Factors to Consider When Choosing the Best CO₂ Air Rifle for Pest Control

1. Caliber

Caliber is one of the first factors to consider when choosing a CO₂ air rifle for pest control. The most common choices are .177 and .22. A .177-caliber rifle generally offers a flatter trajectory and a wide selection of pellets, while .22-caliber pellets are larger and typically carry more energy at similar velocities. The appropriate caliber depends on the size of the pest, shooting distance, rifle power, and local regulations.

2. Power and Velocity

The rifle’s velocity and muzzle energy are important indicators of its performance. For example, the rifles discussed above range from approximately 500 FPS on the Beeman QB78-22 to up to 780 FPS on the Crosman 1077. However, velocity alone does not determine effectiveness because pellet weight also affects energy. Look at the manufacturer’s stated muzzle energy and select a rifle appropriate for the intended lawful application rather than simply choosing the highest FPS rating.

3. Accuracy

Accuracy is especially important because responsible pest control requires precise shot placement. Features such as a rifled barrel, consistent CO₂ delivery, a good trigger, and suitable sights or optics can contribute to accuracy. Rifled barrels are designed to stabilize pellets, while an adjustable trigger can help shooters develop a consistent firing technique. Before choosing a rifle, consider its accuracy at the distances at which it will actually be used.

4. CO₂ Capacity and Shot Count

CO₂ capacity determines how many shots you can take before replacing the cartridges. Some rifles use a single 12-gram cartridge, while models such as the Diana Trailscout use three 12-gram cartridges and can provide approximately 100 shots per fill according to the supplied specifications. The Umarex Fusion 2 can use two 12-gram cartridges or an 88-gram cylinder. A higher shot count can be convenient for extended outdoor sessions, but it is also important to consider the cost and availability of replacement CO₂ cartridges.

5. Action and Magazine Capacity

For best CO₂ air rifle for pest control, consider how the rifle loads and fires before making a choice. A single-shot rifle requires the shooter to load a pellet after every shot, while a repeating rifle can hold several pellets in a magazine for faster follow-up shots. The Crosman 1077, for example, uses a semi-automatic system, while the Diana Trailscout uses a bolt-action mechanism with a 9-shot magazine in .177. Your choice should depend on whether you prioritize deliberate single-shot shooting or convenient repeat-fire capability.

6. Noise Level

Noise can be an important consideration when using an air rifle around suitable private property, particularly where minimizing disturbance is important. Some CO₂ rifles incorporate noise-reduction systems, such as the Umarex Fusion 2’s five-chamber SilencAir dampener. A quieter rifle can reduce disturbance, but no air rifle should be assumed to be completely silent. Always consider local laws, property restrictions, and the people and animals around the shooting area.

7. Sights, Scope, and Mounting Options

A good sighting system can make it easier to place pellets accurately. Some CO₂ rifles come with traditional front and rear sights, while others include scopes. The Umarex Fusion 2, for example, includes a 4×32 scope, whereas the Diana Trailscout has fixed front and adjustable rear sights plus an 11mm dovetail rail for mounting an optic. When comparing rifles, check whether an optic is included and whether the rifle has a compatible mounting rail.

8. Stock, Weight, and Overall Handling

The best CO₂ air rifle for pest control should be comfortable and manageable for the way you intend to use it. Weight, stock design, grip texture, and overall dimensions can affect stability and carrying comfort. The Diana Trailscout weighs about 5 pounds, while the Beeman QB78-22 is listed at 6.5 pounds. Synthetic stocks can be practical for outdoor conditions, while hardwood stocks can provide a traditional feel. Choose a rifle that you can safely control and handle consistently rather than focusing solely on power or appearance.

Frequently Asked Questions On Best CO₂ Air Rifle for Pest Control

1. What caliber is best for pest control, .177 or .22?

Both .177 and .22 calibers can be suitable for appropriate pest-control applications. A .177-caliber air rifle generally has a flatter trajectory and a wide selection of pellets, while .22-caliber pellets are heavier and can deliver more energy at similar velocities. The best choice depends on the pest, shooting distance, rifle power, and applicable local laws.

2. How many shots can a CO₂ air rifle fire before the cartridges need replacing?

Shot count varies considerably between models and CO₂ configurations. For example, the Diana Trailscout uses three 12-gram CO₂ cartridges and is rated for approximately 100 shots per fill, while the Umarex Fusion 2 can produce more than 70 shots from two 12-gram cartridges according to the supplied specifications. Temperature, pellet weight, and shooting rate can also affect CO₂ efficiency.

3. Are CO₂ air rifles suitable for pest control?

Some CO₂ pellet air rifles can be appropriate for controlling certain small pests when used safely and where permitted by local laws. Factors such as caliber, muzzle energy, accuracy, pellet selection, and shooting distance are important. Always verify local regulations and ensure there is a safe backstop and no risk to people, pets, livestock, or neighboring property.

Conclusion

Best CO₂ Air Rifle for Pest Control should provide a practical balance of accuracy, power, reliability, and ease of use. Choosing the right option depends on factors such as caliber, muzzle energy, CO₂ shot capacity, action type, accuracy, noise level, sights, and overall handling. A .177-caliber option may suit users who value a flatter trajectory, while a .22-caliber option can provide heavier pellets for appropriate close-range applications. Ultimately, select a model that matches the intended use, shooting conditions, and local regulations, while always prioritizing safe and responsible operation.