Best CO2 Pellet Air Rifle offer an ideal balance of power, convenience, and affordability for shooters of all levels. Whether you’re into target practice, plinking, or small pest control, these rifles deliver consistent performance with minimal effort, thanks to their use of easy-to-load CO2 cartridges. Known for their low recoil and quiet operation, CO2 pellet rifles are great for backyard shooting and skill development. With features like semi-automatic firing modes, adjustable sights, and ergonomic designs, these air rifles provide a satisfying and realistic shooting experience without the complexity of spring or PCP systems. Choosing the right model depends on your intended use, desired caliber, and preference for features like magazine capacity or customization options.
Best CO2 Pellet air rifle
1. Sig Sauer MCX Virtus

The Sig Sauer MCX Virtus PCP Air Rifle—a premier choice for shooters seeking a serious training platform or a powerful airgun for pest control and varmint hunting. As part of SIG AIR’s move into the pre-charged pneumatic (PCP) category, the Virtus represents a significant leap beyond conventional CO2 air rifles, offering enhanced power, consistency, and realism.Unlike standard CO2 air rifles, the MCX Virtus uses a regulated PCP system with a 13 cubic inch air cylinder and a 3000 PSI fill pressure regulated down to 1100 PSI. This ensures consistent velocities shot after shot and dramatically improves accuracy. Firing .22 caliber pellets at up to 700 feet per second, the Virtus delivers enough power for precise target shooting and dispatching small varmints efficiently
Equipped with a 17.5″ precision barrel, flip-up front and rear sights, and a full-length M1913 Picatinny rail, the MCX Virtus allows for customization with optics, lasers, or other accessories. The synthetic stock mirrors the design of Sig’s centerfire MCX rifle, offering a familiar and ergonomic shooting experience. The barrel is threaded (½” x 28), allowing for compatible suppressors or other muzzle devices.One of the rifle’s most impressive features is its 30-round RPM (Rapid Pellet Magazine)—a rare offering in the world of PCP rifles. Combined with semi-automatic firing, this allows you to lay down sustained fire during practice sessions without constant reloading. Whether you’re honing your skills at the range or controlling pests, this fast-fire capability makes the Virtus highly effective and fun to shoot.
Every detail of the MCX Virtus reflects SIG SAUER’s commitment to quality. From the rugged polymer build to internal engineering, this rifle is constructed to mirror its firearm counterpart—making it a perfect training substitute for professionals or enthusiasts alike. Premium pellets, such as those made by SIG SAUER, are recommended to maximize the rifle’s accuracy and performance.
Key Specifications
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Caliber: .22
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Action: Semi-automatic
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Barrel Length: 17.5″
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Muzzle Velocity: Up to 700 FPS
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Magazine: 30-round RPM (Rapid Pellet Magazine)
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Operating System: PCP (Pre-Charged Pneumatic)
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Fill Pressure: 3000 PSI
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Regulator Pressure: 1100 PSI
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Air Cylinder: Regulated, 13 cu-in with quick-disconnect fill fitting
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Sights: Flip-up front and rear
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Rail: Full-length M1913 (Picatinny)
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Stock: Synthetic
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Barrel Threading: ½”x28
Pros
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Powerful and consistent thanks to regulated PCP system
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Semi-automatic action with 30-round magazine for rapid follow-up shots
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High-quality build with authentic Sig Sauer design
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Highly accurate—ideal for training, target shooting, and varmint control
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Threaded barrel for muzzle accessories
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Customizable with optics and tactical accessories
Cons
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Heavier and larger than traditional CO2 rifles
2.Gamo C-15 Bone Collector

The Gamo C-15 Bone Collector stands out as one of the best in its class. Designed for casual plinking, target practice, and even short-range varmint control, this pistol offers both performance and authenticity in a budget-friendly, easy-to-use package.
What sets the Gamo C-15 Bone Collector apart is its blowback action—a feature typically found in more expensive airguns. This innovative system cycles the slide with each shot, creating a realistic recoil effect that mimics the feel of shooting a real firearm. Whether you’re practicing your aim or just enjoying a backyard session, the realism adds a whole new layer of satisfaction to the experience.The C-15 is dual-ammo compatible, capable of shooting both .177 caliber steel BBs and pellets, giving you flexibility based on your shooting goals. It uses an 8×2 double-sided rotary magazine (16 shots total), allowing for efficient shooting sessions without frequent reloading. The pistol also features a Weaver-style rail under the barrel, letting you mount tactical accessories like lasers or lights to enhance your shooting setup.
Constructed mostly from high-strength polymer materials, the C-15 Bone Collector maintains a lightweight profile without sacrificing durability. It’s designed to feel comfortable in the hand and easy to maneuver—ideal for quick draw and target practice. Powered by a standard 12-gram CO2 cartridge, this semi-automatic pistol delivers a satisfying punch for a wide variety of recreational shooting tasks.
Key Specifications
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Caliber: .177 (pellets and steel BBs)
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Action: Semi-automatic
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Magazine: 8×2 double-sided rotary clip (16 shots total)
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Ammo Type: Pellets and BBs
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Power Source: 12g CO2 cartridge
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Blowback: Yes (realistic slide action)
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Frame Material: Polymer
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Accessory Rail: Weaver-style tactical rail
Pros
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Blowback action provides realistic shooting feel
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Dual-ammo capability for BBs and pellets
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Compact and lightweight—easy to handle
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16-shot capacity with innovative double-sided mag
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Weaver rail for mounting tactical accessories
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Great for plinking, target shooting, and short-range pest control
Cons
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Mostly polymer construction may feel less premium
3.Umarex Steel Storm

The Umarex Steel Storm is one of the best picks in its class. Designed to feed your desire for more trigger time, this .177 caliber BB gun combines ease of use, versatility, and impressive performance in a rugged, realistic platform. Whether you’re a first-time shooter or a seasoned airgunner, the Steel Storm delivers unmatched fun per CO2 cartridge.One of the Steel Storm’s standout features is its 6-shot burst fire mode, activated by the selector switch affectionately nicknamed the “Happy Switch.” This feature allows you to unleash six BBs in rapid succession, delivering a satisfying blast with every pull. If you prefer more control, simply switch to semi-automatic mode for single-shot precision. With speeds of up to 430 feet per second, this airgun is more than capable for plinking, can-smashing, or short-range target shooting.
The drop-out magazine houses two 12-gram CO2 cartridges, providing longer shooting sessions and convenient reloading. Umarex even includes a built-in puncture screw that snaps into the mag cap for easy storage. To ensure the best seal and optimal performance, Umarex-brand CO2 is recommended. The mag features a dual-catch release system, preventing accidental drops—great for both function and safety.Built to mimic the look and feel of a tactical submachine gun, the Steel Storm doesn’t just perform well—it looks awesome too. The upper and lower Picatinny rails give you plenty of space to mount red dot sights, flashlights, or lasers, while the flip-up sights offer quick target acquisition right out of the box.
Its 300-round BB reservoir feeds the 30-round built-in magazine, allowing you to refill the mag up to 10 times before reloading the reservoir. The refill process is quick and satisfying—just shake the BBs down into the mag and keep shooting.
Key Specifications
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Caliber: .177 (Steel BBs)
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Powerplant: CO2 (Two 12g cartridges)
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Action: Semi-auto or 6-shot burst
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Velocity: Up to 430 FPS (in single-shot mode)
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Magazine: 30-round built-in mag, 300-round reservoir
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Sights: Flip-up iron sights
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Rails: Picatinny top and bottom
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CO2 Mag: Drop-out design with dual-release and built-in puncture screw
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Construction: Rugged polymer body
Pros
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Full-auto 6-shot burst is fast, fun, and addictive
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Large 300-round reservoir keeps the fun going
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CO2 housed in smart drop-out mag with dual-release system
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Upper and lower Picatinny railsfor optics and accessories
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Compact, tactical design with realistic handling
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Flip-up sights included out of the box
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Easy manual safety for added control
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Great value for plinking and family-friendly shooting
Cons
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Eats through CO2 quickly in burst mode
4 .Sig Sauer MPX

The Sig Sauer MPX Airsoft Rifle Kit with P226 Spring Pistol stands out as a top-tier option. Modeled after Sig Sauer’s legendary MPX submachine gun and P226 service pistol, this kit offers a dual-firepower package that’s perfect for plinking, casual training, and supervised recreational shooting—all with no need for CO2 or batteries.The MPX rifle and P226 pistol are modeled after the real firearms, offering realistic dimensions, styling, and tactical details. The MPX spring-powered rifle delivers shots at up to 300 FPS, while the P226 spring pistol hits up to 270 FPS, both ideal for backyard airsoft battles or target practice with proper safety gear. These spring-action guns require no external gas or power source—just cock and shoot.
One of the best features of the MPX rifle is its 26-round drop-free magazine, which includes a 500-round BB reservoir—providing extensive shooting sessions with minimal interruptions. The P226 complements it with a 12-round magazine, making this set a well-rounded choice for extended plinking fun.Designed with performance in mind, the MPX rifle includes flip-up front and rear sights and a full-length Picatinny optics rail, allowing users to mount red dot sights or scopes for better accuracy. The 3-position adjustable stock enables a custom fit for younger or smaller shooters, while maintaining a tactical edge. Both guns are also equipped with Picatinny accessory rails for lasers, lights, or foregrips.
Built from injection-molded polymer, both the rifle and pistol are lightweight yet rugged, making them easy to handle for shooters of all ages. The rifle’s modular design and removable stock add to its versatility, while the P226’s compact form and fixed white-dot sights ensure intuitive aiming.
Key Specifications
Rifle (MPX):
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Velocity: Up to 300 FPS
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Magazine: 26-round drop-free with 500-round reservoir
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Sights: Flip-up front and rear
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Rails: Picatinny optics and accessory rails
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Stock: 3-position adjustable
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Action: Spring-powered, single shot
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Construction: Injection-molded polymer
Pistol (P226):
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Velocity: Up to 270 FPS
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Magazine: 12-round capacity
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Sights: Fixed front and rear white-dot
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Rails: Picatinny accessory rail under muzzle
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Action: Spring-powered, single shot
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Construction: Injection-molded polymer
Pros
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Includes both MPX rifle and P226 pistol for great value
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No CO2 or batteries required – spring-powered simplicity
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High-capacity BB reservoir (500 rounds) reduces reloads
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Adjustable stock fits a wide range of users
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Flip-up sights and optics rail enhance aiming precision
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Lightweight and ideal for younger or beginner shooters
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Tactical styling mimics real Sig Sauer firearms
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Plenty of rail space for customizing with accessories
Cons
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Spring-powered action requires manual cocking for every shot
5.Crosman 2240

The Crosman 2240 has earned its reputation as one of the best CO2-powered pellet pistols for target shooting and skill development. Known for its accuracy, reliability, and modding potential, this single-shot, bolt-action pistol is a favorite among beginners and seasoned airgun enthusiasts alike. Whether you’re just getting started in the world of airpower or looking for a dependable sidearm for plinking, the 2240 delivers solid performance in a compact, affordable package.At the heart of the Crosman 2240 is a bolt-action, single-shot mechanism that emphasizes control, accuracy, and repeatable precision. The improved bolt design allows for smoother cocking and pellet loading, making it an excellent tool for honing shooting skills or practicing shot discipline. Each pull of the trigger gives you a satisfying sense of control over every shot—perfect for those who appreciate marksmanship.
This air pistol runs on a standard 12-gram CO2 cartridge (sold separately), delivering consistent power and quiet operation. With a .22-caliber barrel, the Crosman 2240 is capable of launching pellets at speeds up to 460 FPS, giving it enough punch for target practice, plinking, and even small pest deterrence under the right conditions. Its CO2 efficiency means more shots per cartridge with minimal maintenance.One of the standout features is its ambidextrous, ergonomically designed grip, offering a comfortable and balanced hold for both right- and left-handed users. The pistol’s design helps reduce fatigue during extended shooting sessions and enhances overall shooting control, particularly for users focused on precision.
Key Specifications
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Caliber: .22
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Velocity: Up to 460 FPS
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Power Source: 12g CO2 cartridge (not included)
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Action: Bolt-action, single-shot
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Grip: Ergonomic and ambidextrous
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Purpose: Target practice, plinking, skill development
Pros
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Accurate bolt-action system ideal for target shooting
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.22 caliber offers good power for plinking and small pest control
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Ergonomic, ambidextrous grip suits all users
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CO2-powered for quiet, consistent shots
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Smooth cocking with improved bolt design
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Compact, reliable, and easy to maintain
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Highly customizable platform for enthusiasts
Cons
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Single-shot only—slower shooting compared to repeaters
Also read;5 Best CO2 Air Rifle for Pest Control
Factors to Consider when Choosing Best CO2 Pellet Air Rifle
1. Caliber (.177 vs. .22)
The caliber of your air rifle determines its power, accuracy, and ideal use. .177 caliber rifles are best for target shooting and competitions, offering higher velocities and flatter trajectories. .22 caliber rifles, on the other hand, provide greater impact and stopping power, making them more suitable for plinking, pest control, and small game hunting. Choosing the right caliber depends on your intended use and desired performance.
2. Power Source and CO2 Efficiency
CO2-powered air rifles use disposable or refillable cartridges, usually 12-gram CO2 canisters, to operate. When choosing a CO2 pellet rifle, consider how efficiently it uses CO2—a more efficient rifle means more shots per cartridge, saving you money and reducing reloading interruptions. Also, check whether the rifle requires one or two CO2 cartridges, and whether it uses standard or proprietary cartridges.
3. Action Type: Single-Shot vs. Semi-Auto
The action type significantly affects the shooting experience. Single-shot, bolt-action rifles, like the Crosman 2240, offer precision and control, ideal for deliberate target shooting. Semi-automatic or burst-mode rifles, such as the Sig Sauer MPX or Umarex Steel Storm, allow for rapid fire and more dynamic shooting, which is more engaging for plinking and casual fun. Pick based on your preference for accuracy versus speed.
4. Velocity and Power
Measured in feet per second (FPS), velocity indicates how fast the pellet exits the barrel. Higher FPS usually means flatter trajectories and greater impact, which can be useful for accuracy and penetration. For example, rifles like the Crosman 2240 (.22) offer up to 460 FPS, which is great for short-range power, while others like the Sig Sauer MPX or Gamo C-15 offer lower velocities more suitable for controlled target practice. Match the FPS to your skill level and intended use.
5. Magazine Capacity and Reloading Convenience
High-capacity magazines, such as the 30-round RPM magazine in the SIG MCX Virtus or the 300-round reservoir of the Umarex Steel Storm, offer extended shooting without frequent reloads, making them ideal for recreational shooting and training. On the other hand, single-shot or low-capacity mags, while slower, often promote better shooting discipline and accuracy. Think about how often you’re willing to reload and how much ammo capacity matters to your shooting style.
6. Ergonomics and Grip Design
A good CO2 air rifle should feel comfortable and stable in your hands. Look for features like an ergonomic, ambidextrous grip, adjustable stocks, and lightweight designs. For instance, the Crosman 2240’s grip provides excellent balance, while the Sig MPX rifle includes a 3-position adjustable stock, allowing shooters of various sizes to find a proper fit. Comfort leads to better control and accuracy during extended sessions.
7. Sights and Accessory Compatibility
Accuracy is heavily influenced by the quality of the sights. Many rifles come with flip-up sights or Picatinny rails for mounting optics. If you plan to improve your aim or shoot at longer ranges, make sure your rifle has the necessary rails or sight options. Models like the SIG Virtus and Umarex Steel Storm offer multiple accessory rails, allowing for customization with scopes, red dots, or tactical flashlights.
8. Build Quality and Materials
Durability is key for long-term use. Most CO2 pellet air rifles are made from high-strength polymer or metal, but the quality can vary. Look for models with injection-molded polymer construction for lightweight handling or metal components for a more realistic feel and robustness. Build quality also affects the air seal and precision of the rifle, especially important in bolt-action models like the Crosman 2240.