CO2 air rifles

Best CO2 Air Rifles

CO2-Powered Air Rifles are a staple in the airgun community, offering a convenient and easy-to-use option for shooters. These rifles utilize CO2 cartridges to propel pellets or BBs, making them ideal for a variety of shooting activities, including target practice and small game hunting.

What is a CO2-Powered Air Rifle?

A CO2-Powered Air Rifle is an airgun that uses carbon dioxide (CO2) cartridges as its power source. This design allows for quick reloading and consistent shot-to-shot power, which is especially beneficial in cooler temperatures where CO2 performs optimally.

List of Top CO2-Powered Air Rifles

  1. Bushmaster Crosman BMPWX 
  2. SBR CO2-Powered BB Air Rifle
  3. Crosman CAK1
  4. Crosman CFAR1B 
  5. Umarex Legends MP
  6. SIG SAUER MCX Rattler
  7. Ruger 10/22
  8. Umarex Legends M1A1

Bushmaster Crosman BMPWX 

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Bushmaster Crosman BMPWX 

The Bushmaster Crosman is a standout full-auto BB rifle favored for its reliability and shared design with the Crosman series. It’s ready to use with an included red dot sight, though not built for precision, making it ideal for recreational shooting. Opt for the Bushmaster for a solid experience and save on accessories, focusing on CO2 and targets for backyard fun.


  • Capable of firing up to 1400 rounds per minute.
  • Dual-action mechanism (semi-auto and full-auto modes).
  • Requires two 12-gram CO2 cartridges (not included).
  • Speeds of up to 430 fps.
  • 6-position adjustable stock for easy handling and shoulder positioning.
  • Compatible with traditional 4.5 mm steel BBs (BBs not included).
  • Durable synthetic construction for an authentic firearm experience.


  • Realistic feel with durable synthetic design.
  • Impressive rate of fire (up to 1400 rounds per minute).
  • Adjustable stock for comfort.
  • Accessory rail-mounted red dot sight.


  • Not designed for precision.
  • CO2 cartridges are not included.
  • Limited 25-round magazine capacity. 

SBR CO2-Powered BB Air Rifle

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SBR CO2-Powered BB Air Rifle

The BB rifle is a remarkable replica of the iconic AR-15, designed for both fun and practical use. Crafted with a durable synthetic build, it closely resembles a full-size AR-15, providing an authentic shooting experience. The rifle’s impressive rate of fire, capable of up to 1400 rounds per minute, ensures rapid plinking or target practice. Its 6-position adjustable stock allows for comfortable handling and shoulder positioning. Additionally, the quad rail accommodates lights, optics, lasers, and other accessories, enhancing customization options. With takedown pins for separating the upper and lower components, the Bushmaster serves as an excellent training piece. For optimal performance, opt for Crossman Copperhead BBs and 12-gram Crossman CO2 cartridges. Remember to apply PELLGUN OIL before use.

  • Features:
    • Capable of firing up to 1400 rounds per minute, this dual-action rifle ensures rapid plinking or target practice.
    • Fueled by two 12-gram CO2 cartridges, it delivers speeds of up to 430 fps (feet per second).
    • The 6 adjustable positions make the gun easy to handle and shoulder.
    • The rifle comes equipped with a 25-round drop-out magazine.
    • The rifle features a removable pop-up sight and an adjustable rear sight.
    • The dual action mechanism allows both semi-auto and full-auto modes.


  • Realistic feel and controls resembling a full-size AR-15.
  • Consistent 2-stage trigger enhances familiarity.
  • Accurate at 30 ft, grouping 25 rounds within an inch.
  • Workaround for CO2 cylinder tightness issue. 


  • Firing only once when engaging the charging handle.
  • Stopping after 3-5 rounds in full auto mode.
  • The magazine’s BB follower is difficult to hold back, hindering loading.
  • The lack of a detent for the magazine follower causes spring pressure issues during loading.

Crosman CAK1

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Crosman CAK1

The Crosman CAK1 is a CO2-powered BB gun that combines realistic design with functionality. It closely resembles the AK-47 in appearance and handling and offers both semi-automatic and fully automatic firing modes. The fully automatic mode fires at over 1400 rounds per minute, making it a great choice for plinking or target practice. The CAK1 shoots BBs up to 430 FPS, ensuring accuracy for hitting targets. It’s built with durable synthetic materials and metal components to withstand wear and tear. The foldable buttstock allows for easy storage and the quad-mounting rail system lets you customize the rifle with accessories.

  • Features:
    • Rugged appearance, real-feel construction.
    • Full-auto and semi-auto modes for versatility.
    • 430 FPS speed, 410 ft/s impact.
    • Durable build, metal components.
    • Convenient storage, adjustable length.
    • Picatinny rail for accessories.


  • The CAK1 offers impressive features without breaking the bank.
  • Its AK-inspired design, complete with metal components, adds to the overall appeal.
  • The CAK1’s substantial weight contributes to its realism and stability during shooting.
  • Experience the thrill of rapid-fire shooting.
  • The picatinny rail system opens up possibilities for customization.


  • The 28-round magazine might leave you wanting more; larger capacity magazines would be preferable.
  • Purchasing extra magazines can be expensive.
  • Frequent CO2 cartridge changes are necessary for sustained shooting.
  • CO2 power is strongest initially but may decrease if the rifle sits unused for extended periods.

Crosman CFAR1B 

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Crosman CFAR1B 

The Crosman CFAR1B, also known as the Crosman Full Auto R1 BB air rifle, is a CO2-powered plinking and target practice machine. It offers the thrill of choosing between controlled shots with its semi-automatic mode or letting loose with a rapid 1400 rounds per minute in full-auto mode. Fueled by two CO2 cartridges, it fires standard 4.5mm steel BBs at velocities up to 430 feet per second for dependable target accuracy. For comfort and customization, the CFAR1B features a 6-position adjustable stock and a Picatinny rail that allows you to add scopes or red dot sights for enhanced aiming. Realistic AR-style components like the buttstock and pistol grip further immerse you in the shooting experience. With its fun and customizable design, the Crosman CFAR1B is a great choice for responsible plinking, target practice, and honing your marksmanship skills.

  • Features:
    • Delivers velocities of up to 430 FPS.
    • 6-position adjustable stock for comfort and a Picatinny rail for scopes/sights.
    • It uses a 25-round drop-out magazine fed with traditional 4.5mm steel BBs.
    • AR-style buttstock & grip + realistic weight for immersion.
    • Choose controlled shots (semi-auto) or unleash rapid fire (1400 rounds per minute) in full-auto mode


  • Offers both semi-auto and full-auto firing modes for controlled shots or rapid fire.
  • AR-style buttstock and grip provide a familiar feel, enhancing the shooting experience.
  • Uses a convenient drop-out magazine and CO2 power source.
  •  Often includes red dot laser sight and sometimes a speedloader.


  • Full-auto mode fires rapidly and can deplete your ammo quickly.
  •  Like most BB guns, the CFAR1B can be noisy, especially in full-auto mode.
  • Requires purchasing and replacing CO2 cartridges, which adds operational cost.
  • Not ideal for long-range target shooting due to the lower power of BBs compared to firearms or higher-powered air rifles.

Umarex Legends MP

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Umarex Legends MP

This CO2-powered BB gun pays tribute to the legendary MP 40 submachine gun, known for its role in World War II. It boasts a full-metal body that feels weighty and realistic in your hands, faithfully replicating the classic MP 40 design. Fire it up in semi-automatic mode for controlled shots, or unleash a rapid barrage of BBs at over 1400 rounds per minute with the full-automatic mode! The Legends MP feeds from a convenient 50-round magazine loaded with standard .177 caliber steel BBs. Powered by CO2 cartridges (not included), it propels BBs at velocities up to 430 feet per second for decent target accuracy. Some versions may even include a folding stock for easy storage and better handling. Whether you’re a plinker, target shooter, or history buff (remembering to follow local regulations), the Umarex Legends MP lets you experience a piece of history in a safe and fun way. Just remember, safety first! Always follow safe handling practices and local laws when using this BB gun.

  • Features:
    • Available in Caliber .177 (4.5mm) BB
    • Capacity of shooting 52 shots
    • Semi-auto and full-auto
    • Shoots .177 caliber steel BBs at up to 465 fps
    • Durable and realistic all-metal construction
    • Compatible with spare magazine part number: 2251814


  • Consistent performance throughout the magazine, even as CO2 depletes.
  • Realistic weight and appearance, only 1 lb off the real deal.
  • Slide action prepares the BB for firing without directly chambering it.
  • It’s a full-auto BB gun, adding to the fun factor.


  • The gun may experience jams if the magazine is filled to capacity.
  • While it provides a high shot count, it still consumes CO2 relatively quickly.
  • Users may need to change CO2 cartridges frequently during extended shooting sessions.


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The SIG SAUER MCX Rattler is a CO2-powered air rifle that combines the compact and versatile design of the MCX Rattler with the convenience of CO2 power. With semi-automatic and 3-round burst firing modes, shooters can experience realistic handling and rapid-fire capabilities. The internal blowback action generates a distinctive felt recoil impulse with every shot, enhancing the lifelike shooting encounter. The 30-round drop-free magazine mimics the capacity of the real steel version, allowing for extended shooting without frequent reloading. The minimalist folding stock ensures easy storage and portability, while ambidextrous controls accommodate both right-handed and left-handed shooters. The attached flip-up front and rear sights provide accurate shots, and the long Picatinny scope rail allows for customization with preferred optics. Additionally, the M-LOK handguard facilitates the secure attachment of accessories. If you seek an immersive air rifle encounter reminiscent of the enjoyable SBR platform, the SIG Sauer MCX Rattler delivers without the noise and expense of its firearm counterpart.

  • Features:
    • Available in Caliber .177 (4.5mm) steel BB
    • CO2-powered for convenience
    • Semi-automatic for realistic handling
    • Accurately replicates the feel and function of the 300 Blackout counterpart
    • Charging handle operation
    • Rattler MCX-MLOK System allows easy customization with various accessories


  • Extremely realistic design, closely resembling the SIG MCX Rattler SBR firearm.
  • Side-folding stock adds to the realism.
  • Offers a fun and unique three-shot burst-firing mode
  • Allows for easy maintenance and cleaning.


  • Some users experience unpredictable BB jams.
  • Despite efforts, it fired only 9 BBs reliably.
  • Muzzle velocity performance could be improved.

Ruger 10/22

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Ruger 10/22

The Ruger 10/22 .177 Caliber Pellet Gun Air Rifle is not a firearm, but a replica that functions using CO2 power. This means it shoots .177 caliber pellets instead of bullets and is powered by CO2 cartridges instead of gunpowder. Based on the iconic Ruger 10/22 rifle, it offers a similar look and feel for target practice or plinking. It features a 10-shot rotary magazine, and adjustable sights, and can be customized with aftermarket rails for scopes or red dot sights. With a firing velocity of up to 450 feet per second, it provides a fun and realistic shooting experience for beginners or air gun enthusiasts.

  • Features:
    • Powered by two 12-gram CO2 cartridges (CO2 not included)
    • Aftermarket 10/22 rail can be easily added for mounting optics
    • Shoots .177 caliber pellets at up to 700 fps
    • Includes a drop-out 10-shot pellet magazine
    • Includes a drop-out 10-shot pellet magazine


  • Safer than a firearm, particularly for beginners or those practicing gun safety principles.
  • Since it uses compressed air (CO2) rather than gunpowder, it poses a lower risk of serious injury.
  • Looks and feels similar to the popular Ruger 10/22 rifle, offering a familiar platform for those interested in eventually graduating to firearms or for those who want a realistic air gun experience.
  • Quieter than a firearm, making it suitable for backyard target practice in areas with noise restrictions.


  • Less powerful than a firearm.
  • The .177 pellets used in this air rifle may not all fit equally well.
  • Due to the lower power, the accuracy and lethality of the pellets drop off at a shorter distance.
  • The trigger pull is excessively tight..
  • Requires CO2 cartridges to be replaced, which adds an ongoing cost compared to firearms that can be reloaded.
  • The rifle experiences unacceptable jamming.

Umarex Legends M1A1

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Umarex Legends M1A1

The Umarex Legends M1A1 also known as the Tommy Gun, which gained legendary status during the Prohibition era and World War II. This airgun variant meticulously captures the look and feel of the original, boasting a full-metal construction that exudes durability and authenticity. Featuring a blowback action, the Umarex Legends M1A1 delivers a satisfyingly realistic shooting experience, with each trigger pull accompanied by a satisfying kick. Its 30-round magazine offers ample capacity for extended shooting sessions, while the ability to fire .177 caliber steel BBs adds to its versatility. Whether displayed as a collector’s piece or used for plinking and target practice, the Umarex Legends M1A1 stands as a timeless tribute to one of the most iconic firearms in history, blending nostalgia with modern airgun technology for enthusiasts and shooters alike.

  • Features:
    • Available in Caliber .177 (4.5mm) BB
    • Semi-auto and full-auto shooting modes
    • Realistic blowback action for an authentic shooting experience
    • Powered by a 12-gram CO2 cartridge (CO2 not included)
    • Shoots .177 caliber steel BBs at up to 435 fps
    • Durable and realistic all-metal frame construction
    • High-capacity drop-free magazine
    • Open bolt-style action blowback


  • Faithful replica of the M1A1 Thompson submachine gun.
  • Semi-automatic and fully automatic select-fire modes for added fun.
  • Good shot count without compromising power or accuracy.
  • 30-round drop-free metal magazine.
  • Convenient for extended shooting sessions.


  • Different .177 pellets may have varying fit issues.
  • Requires careful pellet selection for optimal performance.
  • Jerky movement due to excessive force required.
  • Lack of assistance for troubleshooting issues.
  • The rifle experienced jamming after only one BB load with the second set of CO2 cartridges.

Pro Tips for Hunting with a CO2 Air Rifle

Hunting with a CO2 air rifle can be a rewarding experience, offering a quieter, more accessible, and often more challenging hunt. Whether you’re a seasoned hunter or new to the sport, these pro tips will help you make the most of your CO2 air rifle on your next hunting adventure.

Understand Your Rifle’s Capabilities CO2 air rifles are not all created equal. Understand the power, accuracy, and effective range of your specific model. Typically, CO2 rifles are best suited for small game and pest control due to their lower power compared to other types of air rifles.

Choose the Right Pellets Selecting the right pellets is crucial for maximizing accuracy and ensuring a clean, ethical kill. Heavier pellets tend to be more stable and accurate, especially at longer distances.

Practice Makes Perfect Spend time practicing with your CO2 air rifle. Familiarize yourself with its trigger pull, sighting, and recoil pattern. Consistent practice will improve your accuracy and confidence in the field.

Maintain Your Equipment Regular maintenance of your CO2 air rifle will ensure it functions correctly when you need it most. Clean the barrel regularly, check the seals for leaks, and replace CO2 cartridges as needed.

Plan Your Shots With CO2 air rifles, shot placement is paramount. Aim for vital areas to ensure a humane kill. Remember that CO2 rifles have a limited effective range, so patience and close stalking may be necessary.

Be Mindful of the Weather CO2 performance can be affected by temperature. Cold weather can reduce the pressure in CO2 cartridges, leading to lower power and velocity. Plan your hunts accordingly and consider the weather’s impact on your rifle’s performance.

Stay Legal Always check local regulations regarding hunting with air rifles. Some areas have specific rules about what game can be taken with CO2 air rifles.

Respect the Environment Practice ethical hunting. Take only shots you’re confident in making and always follow up on any shot game to avoid unnecessary suffering.

By following these pro tips, you’ll be well on your way to successful and responsible hunting with your CO2 air rifle.

Understanding UK Hunting Laws: A Guide for Hunters

Hunting in the UK offers a rich tradition that requires adherence to specific legal guidelines. This guide provides an overview of the essential laws and regulations every hunter should know before setting out on their hunting expedition.

Obtaining Permission

Before you begin hunting, it’s imperative to have the landowner’s permission. This is the first step in ensuring your hunting activities are legal and respectful of property rights.

Firearm Certificates and Regulations

All firearms used for hunting must be accompanied by the appropriate certificates. However, air rifles up to 12 ft-lb and air pistols up to 6ft lb are exempt from this requirement.

Prohibited Equipment

Certain hunting equipment, such as bows, crossbows, or explosives other than legal ammunition for firearms, is strictly prohibited. It’s crucial to familiarize yourself with these restrictions to avoid legal complications.

Wildlife Management and Pest Control

When managing wildlife or controlling pests on your property, you must follow specific regulations designed to protect natural habitats and species.

Prohibited Hunting Practices

The UK has clear laws against hunting mammals with more than two dogs, shooting near public ways, and using vehicles for deer hunting. These practices are illegal and carry significant penalties.

Respecting Seasons

Understanding and respecting open and closed seasons for hunting is vital for conservation efforts. These seasons are often aligned with the breeding periods of various wildlife species.

Final Reflections

This guide serves as a starting point for understanding UK hunting laws. However, hunters are encouraged to seek the most current and comprehensive legal advice or consult official resources before engaging in hunting activities. By following these regulations, hunters can enjoy their sport while contributing to wildlife conservation and public safety.


It is important for hunters who hunt in states other than the UK to be aware of and abide by those states’ hunting laws and regulations.


How do temperature changes affect the performance of CO2-powered air rifles?

CO2-powered air rifles can be sensitive to temperature fluctuations. In cooler temperatures, CO2 can become denser, which may reduce the velocity of the shot. Conversely, in warmer temperatures, CO2 expands, potentially increasing pressure and velocity.

What are the storage recommendations for CO2 cartridges to maintain their longevity?

CO2 cartridges should be stored in a cool, dry place away from direct sunlight and heat sources. It’s also important not to puncture or damage the cartridges, as this can lead to leaks or ruptures.

Can CO2-powered air rifles be used for competitive shooting?

While CO2-powered air rifles are popular for casual target practice and small game hunting, they may not be the first choice for competitive shooting due to the potential inconsistency in power output caused by temperature changes.

Are there any environmental concerns associated with using CO2 cartridges?

CO2 cartridges are pressurized containers that can have environmental impacts if not disposed of properly. It’s recommended to recycle spent cartridges if possible, and never to incinerate them.

How does the cost of shooting with CO2-powered air rifles compare to other types of air rifles?

Shooting with CO2-powered air rifles can be more expensive over time due to the ongoing cost of CO2 cartridges. However, the convenience and ease of use may outweigh the cost for many users.

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