5 Best CO₂ Air Rifle

Best CO₂ Air Rifle comes to combining power, precision, and ease of use, CO₂ air rifles stand out as a top choice for both beginners and experienced shooters. Whether you’re plinking in the backyard, honing your marksmanship skills, or collecting realistic replicas, these rifles offer consistent performance with minimal maintenance. Powered by compact 12-gram CO₂ cartridges, they deliver semi-auto or bolt-action shooting with smooth operation and impressive velocity. With a wide range of models on the market—each designed for specific needs like hunting, target practice, or historical reenactment—choosing the best CO₂ air rifle requires understanding the key features that matter most.

Best CO₂  Air Rifle

1.Umarex Gauntlet 2

 

The Umarex Gauntlet 2 in .30 caliber is the high-performance evolution of an already game-changing platform in the airgun world. Building on the legacy of the original Gauntlet, this upgraded version is packed with features straight from the custom shop, offering unparalleled power, consistency, and user-adjustability right out of the box. Whether you’re a target shooter, small game hunter, or airgun enthusiast, the Gauntlet 2 delivers the performance needed to stand out as one of the best high-velocity pellet air rifles on the market.

At its core, the Gauntlet 2 in .30 caliber is designed for serious impact. Capable of launching pellets at up to 1000 FPS, this rifle hits with up to 100 foot-pounds of energy, making it ideal for medium-sized game and long-range target shooting. The upgraded 4,500 PSI tank, regulated at 2,800 PSI, ensures shot-after-shot consistency thanks to its state-of-the-art internal regulator. Shooters can expect up to 25 high-power shots per fill, a rare feat in the .30 caliber class.

Umarex clearly listened to the community when designing the Gauntlet 2. It features a tunable hammer spring, adjustable single-stage trigger, and threaded muzzle—ready for a moderator or muzzle device. It also boasts M-LOK slots for mounting accessories, a large knurled bolt handle for better grip, a QD sling mount, and an adjustable cheek piece for enhanced ergonomics.

The rifle ships with two 7-shot auto-indexing rotary magazines, a single-shot tray, and a degassing tool, giving shooters everything they need to hit the ground running.

Key Specifications

• Etremely powerful – 100 FPE for serious hunting and target shooting

• Highly accurate with consistent regulator performance

• Fully adjustable – trigger, hammer spring, and cheek rest

• Auto-indexing magazine – smooth and reliable cycling

• Threaded barrel for sound moderation or customization

• Out-of-the-box upgrades that would normally require mods

M-LOK compatibility for lights, bipods, and accessories

• Comes with two magazines and a single-shot tray

Cons

• High air consumption – large tank but only 25 shots per fill

2.Seneca Dragonfly Mk2

 

The Seneca Dragonfly Mk2 stands out as one of the best high-velocity pellet air rifles in the multi-pump category. Combining solid craftsmanship with innovative pumping mechanics, the Dragonfly Mk2 is an ideal choice for shooters who value accuracy, control, and a classic design. Whether you’re into backyard plinking or serious small-game hunting, this air rifle brings performance and versatility in a durable hardwood frame.

Equipped with a multi-pump pneumatic system, the Dragonfly Mk2 allows you to control your shot power with each pump—ranging from 3 to 15 strokes. At maximum effort, it achieves velocities of up to 860 FPS with lead pellets and up to 950 FPS with alloy pellets, offering ample speed and energy for small-game hunting or high-precision target shooting. Unlike traditional pump rifles, Seneca’s patented Butterfly High Efficiency Pump makes every stroke uniform and smooth, reducing fatigue and improving shooter consistency.

The Dragonfly Mk2 features a handsome hardwood stock with a checkered grip, giving it a classic and refined look, while maintaining a rugged, field-ready feel. The bolt-action mechanism offers reliable cycling, and the 1/2×20 UNF threaded muzzle provides compatibility with aftermarket suppressors or muzzle devices. A textured rubber buttpad adds comfort during extended shooting sessions.

With its fixed fiber optic front sight and adjustable rear sight (for windage and elevation), aiming is straightforward out of the box. Additionally, an 11mm dovetail rail allows you to mount your favorite optic for increased accuracy at distance.

Key Specifications

Pros

• High velocity for a multi-pump rifle – ideal for hunting and target shooting

•  Variable power – control your shot strength with 3–15 pump range

• Butterfly pump system – consistent effort with each pump stroke

• Durable hardwood stock – elegant, comfortable, and field-proven

• Accurate iron sights with windage and elevation adjustment

• Threaded barrel for suppressor or muzzle brake compatibility

• Lightweight and maneuverable for field use

• Optics-ready via 11mm dovetail rail

Cons

• Slower rate of fire – each shot requires pumping, less ideal for fast follow-ups

3. Crosman 760 Pumpmaster

 

The Crosman 760 Pumpmaster is a time-tested favorite in the world of air rifles. Trusted by generations of shooters for its durability, affordability, and versatile shooting capabilities, this multi-pump pneumatic air rifle is ideal for beginners, youth training, and backyard plinking. With over 100 million units sold since its debut, the 760 Pumpmaster stands as one of the most iconic air rifles of all time — and for good reason.

Whether you’re introducing a young shooter to marksmanship or just want a fun, accurate, and easy-to-maintain rifle for target practice, the Pumpmaster has you covered. Its high-velocity performance, dual-ammo capability, and lightweight build make it one of the best pellet and BB air rifles for recreational shooting and skill development.

The variable pump design gives users full control over their shot strength — from 350 FPS with a few pumps to 700 FPS at full power using .177-caliber pellets. This makes it a safe and flexible tool for shooters of all skill levels. It fires both pellets and steel BBs, offering versatility not often found in budget air rifles.

Built with a single-shot bolt-action system for pellets and a reservoir-fed system for BBs, it gives you the best of both worlds — precision with pellets and rapid fun with BBs.

The Crosman 760 Pumpmaster features a durable, weather-resistant brown synthetic stock and a smooth bore steel barrel, giving it a classic yet practical design. Its crossbolt safety ensures secure handling, while the adjustable rear sight and blade front sight help keep shots on target.

This kit also includes a 4×15 scope, safety glasses, and a paper target, giving new shooters everything they need to start shooting right out of the box (BBs and pellets sold separately).

key Specifications

Pros

• Adjustable power – shoot at your pace, with 350–700 FPS range

• Dual ammo capability – shoots both BBs and pellets

• Lightweight and youth-friendly – great starter air rifle

• Scope included – improves accuracy right out of the box

•  Low maintenance and easy to operate

• Extremely affordable – high value for budget shooters

• Water-resistant synthetic stock – great for all-weather use

Cons

• Single-shot pellet loading – slower than repeaters

4. Umarex Legends Cowboy Lever

 

The Umarex Legends Cowboy Lever Action Air Rifle, one of the most exciting and visually iconic high-velocity BB air rifles available today. Whether you’re a history buff, backyard plinker, or airgun collector, this rifle blends nostalgic charm with practical performance. Styled after the legendary Model 1894 lever-action rifle, it doesn’t just look the part — it performs with stunning realism that makes every shot feel like a scene from a classic Western film.

Built to satisfy both the collector and the shooter, the Legends Cowboy Rifle is part of Umarex’s acclaimed Legends Series, known for its attention to historical accuracy and mechanical authenticity. From shell-ejecting action to CO₂-powered semi-realistic firing, this airgun is an immersive experience — perfect for plinking, target shooting, and theatrical reenactments.

What sets the Legends Cowboy Rifle apart is its lever-action operation, which not only loads and fires BBs but also ejects individual shells after each shot — just like the real thing. The under-barrel tube magazine holds 10 realistic BB cartridges, each designed to fire one .177-caliber steel BB at up to 600 FPS, offering satisfying power with a smooth action.

Insert two 12-gram CO₂ cartridges (not included) into the rifle’s hidden chamber behind the hardwood buttstock, and you’re ready to go. A drop of chamber lube on the CO₂ helps extend the rifle’s longevity and keeps it operating smooth

While its classic wood-look stock and metal components steal the show, the rifle also features functional iron sights — with a fixed front post and adjustable rear sight for windage and elevation. This ensures you’re not just playing cowboy, you’re hitting targets with consistency.

Key Specifications

• Realistic lever-action shell ejection for authentic Western shooting fun

• Decent velocity (600 FPS) for backyard target practice and plinking

• Classic Model 1894 styling – a beautiful piece for collectors and enthusiasts

• Adjustable rear sight for improved accuracy

• Durable build with realistic weight and feel

• Uses common 12g CO₂ cartridges

• Perfect for reenactments, film props, or cowboy action enthusiasts

• Backyard-friendly noise level

Cons

• Requires regular maintenance (lubing and proper CO₂ insertion

5.Umarex Legends M1A1 

 

The Umarex Legends M1A1 is a must-have. This .177 caliber BB air rifle is modeled after the iconic Thompson submachine gun, famously known as the “Tommy Gun” from WWII and Hollywood fame. With realistic blowback action, semi- and full-auto firing modes, and a durable all-metal frame, this BB gun delivers serious fun with historical flair.

More than just a collectible, the Legends M1A1 is a high-performance CO₂-powered air rifle that fires .177 steel BBs at up to 435 FPS. It’s an ideal airgun for plinking, historical reenactments, and even display, thanks to its authentic design and satisfying shooting mechanics. It’s no surprise that this air rifle is one of the most beloved models in Umarex’s Legends Series.

The Umarex M1A1 isn’t just about looks—it’s built for action. It features a drop-free 30-round magazine that houses two 12-gram CO₂ cartridges (sold separately), giving you plenty of power for a thrilling shooting session. The open-bolt style blowback mimics the operation of the original Thompson submachine gun, giving you a tactile and visual blast of realism with every shot.Whether you’re pulling the trigger in semi-auto for control, or switching to full-auto to unleash 30 rounds in rapid succession, the M1A1 offers a shooting experience that feels as good as it looks.

With its full-metal construction, fixed sights, and textured grip, the Legends M1A1 has the weight and feel of a genuine WWII firearm. It even includes sling mounts so you can equip it with a period-correct strap for added authenticity. The magazine loads easily, drops free with the push of a button, and carries both the ammo and CO₂ power source, keeping the rifle sleek and functional.

Key Specifications

Pros

• Realistic WWII design with full-metal construction and authentic feel

• Blowback action with open-bolt style operation for added realism

• Semi and full-auto modes for varied shooting experiences

• Drop-free magazine houses both BBs and CO₂ – simple and efficient

• Solid performance with 435 FPS velocity for accurate target shooting

• Perfect for collectors and reenactors – visually and functionally authentic

• Sling mounts included – ready for field-style carry or display

• Guaranteed crowd-pleaser at the range or in your airgun collection

Cons

• Limited shot count per CO₂ fill – fast-firing full-auto can use up CO₂ quickly

Also read;5 Best High Powered Air Rifle

Factor to Consider when Choosing Best CO₂ Air Rifle

1. Velocity and Power

The velocity of a CO₂ air rifle, typically measured in feet per second (FPS), determines how fast the projectile travels—and directly affects the rifle’s power and potential applications. Rifles like the Umarex Gauntlet 2 and Seneca Dragonfly Mk2 can reach velocities up to 1000 FPS, making them suitable for small game hunting or long-range target shooting. For casual plinking or skill development, models like the Crosman 760 Pumpmaster with variable velocity (up to 700 FPS) are ideal. Higher velocity rifles also tend to deliver more energy on impact, which is essential when ethical hunting or penetrating targets is important.

2. Shooting Mode (Semi/Full-Auto vs. Bolt-Action)

The shooting mechanism can dramatically influence your experience. Semi-automatic and full-automatic CO₂ rifles like the Umarex Legends M1A1 offer rapid fire and high fun factor, particularly for recreational shooting or reenactments. In contrast, bolt-action rifles such as the Seneca Dragonfly Mk2 provide more control and precision, better suited for deliberate target shooting. Understanding your preference between speed and precision will help determine the right model for your style.

3. Build Quality and Materials

Durability and realism often come down to the construction materials used. Many of the best CO₂ air rifles, such as the Umarex Legends Cowboy Rifle and M1A1, are made with full-metal frames, giving them authentic weight and feel, as well as better long-term durability. Others, like the Crosman 760, feature lightweight synthetic components, which are better for beginners or younger shooters. Choose a build that matches your needs for realism, weight, and ruggedness.

4. Magazine Capacity and Reload Mechanism

The type of magazine and its capacity significantly affect shooting convenience and enjoyment. Some rifles, such as the Legends M1A1, include high-capacity, drop-free magazines holding 30 rounds and dual CO₂ cartridges, supporting extended shooting sessions. Others, like the Umarex Gauntlet 2, use rotary magazines that offer fewer rounds but enhanced precision and pellet compatibility. If you prefer fast-paced shooting or less frequent reloading, higher capacity magazines will better suit your style.

5. Power Source and CO₂ Efficiency

Most CO₂ rifles use 12-gram CO₂ cartridges, but how they use that gas matters. Some, like the Umarex Legends M1A1, use two cartridges for increased power and longer performance. Others prioritize CO₂ efficiency, firing more shots per cartridge. Some advanced PCP rifles like the Gauntlet 2 use regulated air pressure systems instead of disposable cartridges, offering consistent shot power and lower cost over time. Choose based on availability of CO₂, ease of use, and your budget for consumables.

6. Sighting System and Optics Compatibility

Accurate shooting depends heavily on the sighting system. Rifles like the Seneca Dragonfly Mk2 offer fiber optic front sights and adjustable rear sights, suitable for precise shooting out of the box. Others include optics rails, like 11mm dovetail mounts, for adding scopes and red dots. Entry-level rifles like the Crosman 760 Pumpmaster often include basic scopes in kits, while more advanced users may prefer rifles that offer customization for upgraded optics.

7. Intended Use (Plinking, Hunting, Collecting)

Your reason for purchasing the rifle should drive your choice. If you’re aiming for fun, historical replicas like the Umarex Legends Cowboy Rifle or M1A1 are fantastic for plinking and display. For small-game hunting, you’ll want more power and accuracy, such as the Gauntlet 2 or Dragonfly Mk2. For skill development or beginners, variable pump rifles like the Crosman 760 offer an affordable and educational option. Defining your purpose narrows the field significantly.

8. Realism and Historical Appeal

For collectors and reenactors, realism is paramount. The Legends Series from Umarex (including the Cowboy Rifle and M1A1) are highly authentic replicas of famous historical firearms, complete with working blowback, shell ejection, and wood-style stocks. These rifles appeal not just as shooting tools but as collectible pieces and conversation starters. If you’re drawn to historical aesthetics or plan to use the rifle in theatrical contexts, this factor may outweigh pure performance specs.

Frequent Asked Question Best CO₂ Air Rifle

1. How long does a CO₂ cartridge last in an air rifle?

Answer:
A standard 12-gram CO₂ cartridge typically lasts 30 to 60 shots, depending on the air rifle model, temperature, and shooting style. Some rifles with higher power or full-auto capabilities, like the Umarex Legends M1A1, may deplete CO₂ faster—especially when firing rapidly. Cold weather can also reduce efficiency. For longer shooting sessions, consider rifles that use dual CO₂ cartridges or switch to PCP (pre-charged pneumatic) models for more consistent output.

2. Can CO₂ air rifles be used for hunting?

Answer:
Yes, but with limitations. Some high-powered CO₂ air rifles, like the Umarex Gauntlet 2 (.30 caliber, up to 1000 FPS), can be used for small-game hunting such as rabbits or squirrels. However, most CO₂ air rifles are designed for target practice and plinking rather than ethical hunting. Always check your local hunting regulations and ensure your rifle delivers sufficient velocity (at least 800 FPS with pellets) and accuracy for clean, humane kills.

3. What’s the difference between CO₂ and PCP air rifles?

Answer:
Both use compressed gas, but CO₂ air rifles rely on small disposable cartridges (usually 12g) that are convenient and easy to use. They are great for casual shooters and beginners. PCP (Pre-Charged Pneumatic) rifles, like the Umarex Gauntlet series, use a refillable air tank that offers more consistent power, higher shot counts, and greater accuracy. PCP rifles are ideal for advanced users and hunting but require a high-pressure hand pump or air tank for refilling.

Conclusion