Top CO2 Cartridges for Air Rifles: 12 Best Picks in 2026

1

Umarex Hammer .50 Caliber PCP Pellet Gun Air Rifle

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• ARS Mark

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  9.0
• Brand
  Umarex

Key specs2

Air Reservoir & Fill Pressure

4,500 psi carbon fiber tank (24 cu in)

Action & Loading Mechanism

Features a straight-pull bolt with 2 inches of travel and a 2-pound pull, feeding from two included 2-shot linear magazines with integrated safety lockouts.

Pros & cons53

Pros

• Delivers 4 full-power regulated shots plus 1 finishing shot per tank fill
• High operating pressure from an ultralight 4,500 psi carbon fiber tank
• Shoots .50 caliber pellets at velocities reaching up to 1,130 fps
• Includes dual 2-shot linear magazines with a magazine lock-out safety
• Light overall carry weight at 5 pounds with M-LOK and Picatinny rails

Cons

• Requires a 4,500 psi high-pressure compressor or tank to refill
• Long overall profile at over 47 inches can catch on heavy brush
• Limited to 4 regulated shots before point of impact begins shifting

2

Hatsan PileDriver Big Bore 800FPE - 50 0.50 Caliber PileDriver

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• ARS Mark

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  10.0
• Brand
  Hatsan

Key specs2

Extreme Energy Class

800 FPE muzzle energy in .50 caliber

High-Output Shot Profile

Delivers top-tier kinetic energy among production airguns, requiring verification of reservoir pressure and expected shot count from the manufacturer before planning remote hunts.

Pros & cons33

Pros

• Produces an immense factory-rated 800 foot-pounds of muzzle energy
• True .50 caliber diameter designed for maximum terminal punch on big game
• Heavy 10-pound mass provides stability during high-recoil shot cycles

Cons

• 10-pound bare rifle weight adds fatigue on all-day stalking hunts
• Listing omits tank volume, max fill pressure, and shot count per fill
• Loud muzzle discharge requires external ear protection in the field

3

Hatsan Piledriver Big Bore PCP Air Rifle with Included SLA

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  7.6
• Brand
  Wearable4U

Key specs2

Muzzle Energy & Velocity

800 FPE and 850 fps maximum velocity

Ammunition Compatibility

Bundled with 550-grain solid lead ammunition designed to maximize penetration and terminal energy on large game animals.

Pros & cons53

Pros

• Delivers up to 800 foot-pounds of muzzle energy with heavy .50 caliber slugs
• Bullpup layout balances the action closer to the shooter for better control
• Dual optics rail supports standard 11mm dovetail and Picatinny scope mounts
• Includes a 20-pack of 550-grain solid lead ammo to begin sighting immediately
• Fully adjustable cheekpiece and rubber butt pad match shooter dimensions

Cons

• Substantial 10-pound bare weight without scope or accessories attached
• Single-shot manual loading slows down follow-up shots in hunting scenarios
• Factory specs do not list the exact shot count per air cylinder charge

4

Seneca Double-Shot .50-Caliber Double-Barrel Shotgun Air Rifle, PCP Air Rifle

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• ARS Mark

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  7.2
• Brand
  Seneca

Key specs2

Double-Barrel Configuration

Provides twin .50-caliber barrels for instant second-shot capability, making it unique among big-bore PCP hunting platforms.

Unstated Factory Specifications

• Check exact reservoir capacity and maximum fill pressure rating
• Verify velocity and effective spread for pellets versus shot loads
• Confirm overall rifle weight and optical rail mounting options

Pros & cons33

Pros

• Double-barrel architecture provides an immediate, zero-cocking backup shot
• Large .50 caliber bore accommodates big-game shots and specialized shot loads
• Pre-charged pneumatic system avoids the cocking resistance of spring designs

Cons

• Listing omits tank capacity, fill pressure, and velocity specifications
• Buyers must confirm barrel regulation and choke configurations independently
• Requires external PCP charging support like a compressor or scuba tank

5

Hatsan Mod 130S Carnivore .30 Cal 600 FPS / 34

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  -
• Brand
  Wearable4U

Key specs2

Target Game Suitability

Small to select medium game (34 FPE)

Sound Moderation

Built-in QuietEnergy shrouded barrel and integrated moderator significantly reduce the muzzle snap common to large-diameter gas piston break barrels.

Pros & cons53

Pros

• Vortex gas piston eliminates the need for PCP hand pumps or air tanks
• QuietEnergy fully shrouded barrel dampens report during woods outings
• Bundled package includes a 3-9x40AO scope, 100 pellets, targets, and a hat
• Quattro two-stage adjustable trigger allows tailored pull settings
• Dual optics rail features 11mm dovetail, Weaver cuts, and a metal scope stop

Cons

• 34 foot-pounds of energy limits quarry to small and select medium game
• Heavier break-barrel build at 9.6 pounds requires steady field support
• Single-shot cocking effort can cause fatigue during long target sessions

6

Hatsan Piledriver Big Bore PCP .50 Cal Air Rifle

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• ARS Mark

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  7.0
• Brand
  Hatsan

Key specs1

Unstated Factory Specifications

• Verify exact muzzle energy and maximum velocity for target slugs
• Check working tank pressure rating and total shot count per fill
• Confirm bare rifle weight and scope mounting rail standards

Pros & cons33

Pros

• Heavyweight .50 caliber platform built for big-game terminal performance
• Pre-charged pneumatic powerplant generates recoilless, high-power firing
• Standardized Piledriver chassis accommodates specialized large-bore optics

Cons

• Standalone listing omits energy figures, barrel length, and total weight
• Requires high-pressure air filling equipment that must be bought separately
• Lacks bundled ammunition, scope mounts, or tank adapter accessories

7

Hatsan BT 65 SL QE Big Bore Carnivore .35 Cal

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• ARS Mark

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  7.6
• Brand
  Wearable4U

Key specs2

Muzzle Energy & Velocity

105 FPE max energy at 760 fps

Sound Moderation

The QuietEnergy fully shrouded barrel incorporates an internal sound moderator rated to reduce shot report by approximately 50 percent.

Pros & cons53

Pros

• Produces up to 105 foot-pounds of energy and 760 fps with .35 caliber pellets
• Smooth side-lever cocking action cycles the 6-shot rotary magazine quickly
• QuietEnergy shrouded barrel cuts audible muzzle report by roughly 50 percent
• Removable 255cc air cylinder lets shooters carry pre-filled spare tanks
• Complete kit includes a scope, bipod, sling, two magazines, and ammunition

Cons

• Heavy hunting platform weighing 9.7 pounds before mounting the bundled scope
• 255cc cylinder capacity delivers a relatively low count of full-power shots
• Overall length and front-heavy balance can feel unwieldy without the bipod

8

Seneca Big Bore 44 909 Light Hunter PCP Air Rifle,

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• ARS Mark

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  9.0
• Brand
  Seneca

Key specs2

Air Reservoir & Fill Pressure

500 cc dual reservoir at 3,000 psi

Target Game Suitability

Engineered for small to medium game, delivering 730 fps through a 21.65-inch rifled .45 caliber barrel with dual power output settings.

Pros & cons53

Pros

• Dual 500cc air chambers offer extended capacity at a standard 3,000 psi fill
• High caliber .45 bore delivers 730 fps maximum velocity for hunting game
• Two user-selectable power levels help conserve air during shorter shots
• Integrated Foster male fitting simplifies connection to standard fill hoses
• Handsome hardwood Monte Carlo stock with checkering and built-in manometer

Cons

• Single-shot bolt action prevents fast follow-up shots on running game
• Right-hand raised cheekpiece makes cheek weld uncomfortable for lefties
• Narrow 11mm scope rail requires compatible dovetail rings or an adapter

9

Hatsan BT65 Big Bore Carnivore QE PCP Air Rifle.30 Caliber

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• ARS Mark

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  7.2
• Brand
  Hatsan

Key specs1

Caliber & Platform Class

Combines Hatsan BT65 PCP architecture with a .30 caliber barrel and QuietEnergy suppression, positioned as a dedicated medium-game hunting rifle.

Pros & cons33

Pros

• .30 caliber sizing balances medium-game energy with a flatter trajectory
• QuietEnergy integrated sound suppression helps prevent spooking nearby game
• Sidelever PCP architecture offers smoother cocking than standard bolt guns

Cons

• Listing does not state fill pressure, cylinder volume, or energy figures
• Requires buyers to verify included accessories, magazines, and scope mounts
• Needs dedicated high-pressure charging hardware before firing the first shot

10

Benjamin BPBD3KA Bulldog .357 PCP Hunting Rifle With Reversible Sidelever

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• ARS Mark

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  9.0
• Brand
  Benjamin

Key specs2

Reversible Sidelever Setup

Ambidextrous sidelever bolt action

Sportsman Bundle Contents

Ships in Benjamin Sportsman configuration around the bullpup .357 action; check specific package contents for included optics, magazines, or carrying cases.

Pros & cons43

Pros

• .357 caliber delivers intermediate big-bore striking power on medium game
• Reversible sidelever cocking accommodates both right- and left-handed hunters
• Sportsman bundle configuration supplies core accessories in one package
• Compact bullpup layout keeps overall handling agile in dense cover

Cons

• High fill pressure demands a dedicated PCP pump or 3,000+ psi tank
• Listing omits exact muzzle energy, velocity ratings, and reservoir volume
• Requires verifying scope and mounting ring specifications in the bundle

11

Seneca Recluse PCP Air Rifle, Bolt-Action Single-Shot Air Gun, .357

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• ARS Mark

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  9.8
• Brand
  Seneca

Key specs2

Ammunition Compatibility

.357 caliber (0.3543 to 0.359 in bore)

Stock & Sighting Layout

Features a checkered hardwood Monte Carlo stock with dual open sights, a built-in manometer, and an 11mm rail tailored for compact rifle scopes.

Pros & cons53

Pros

• Achieves velocities up to 983 fps in .357 caliber from a 21.65-inch barrel
• Large 500cc dual reservoir operates on easily accessible 3,000 psi fills
• Dual power settings let hunters tailor velocity and air consumption
• Standard Foster quick-disconnect fitting connects straight to fill whips
• Equipped with open sights and an 11mm rail for mounting compact optics

Cons

• Bolt-action single-shot tray requires manual reloading between shots
• Right-handed cheekpiece design is poorly suited for left-handed shooters
• 11mm rail cannot accept standard Picatinny mounts without an adapter

12

Elite Force Walther Reign UXT PCP Pellet Gun Air Rifle,

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  8.4
• Brand
  Umarex

Key specs2

Action & Loading Mechanism

Auto-indexing 10-shot repeating magazine

Bullpup Ergonomics

Weighs just 5.51 pounds with a fully reversible sidelever and ambidextrous stock, optimizing mobility for small game and pest control.

Pros & cons53

Pros

• Lightweight 5.51-pound bullpup design is effortless to carry on long stalks
• Auto-indexing 10-shot magazine enables swift follow-up shots in the field
• Fully ambidextrous setup allows cocking lever and cheek configuration swap
• Two-stage adjustable trigger promotes precise trigger control on targets
• Propels .25 caliber pellets at velocities reaching up to 870 fps

Cons

• .25 caliber lacks the kinetic impact needed for ethically hunting big game
• Compact bullpup scope mount height requires careful optic ring selection
• Tank pressure capacity and shot count per cylinder are unstated in listing

Last update on 2026-09-18 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Which caliber should I choose for medium versus big game hunting?

Caliber selection directly dictates what game you can ethically and cleanly harvest. For medium game, .30 caliber break-barrel models like the Hatsan Mod 130S Carnivore reach 600 fps and 34 fpe, while .357 caliber options like the Seneca Recluse deliver velocities up to 983 fps. Hunters pursuing predators or varmints can check dedicated coyote rifles for any budget to see how caliber profiles compare. For large game targets, stepped-up platforms like the Seneca Big Bore 44 909 .45 caliber achieve 730 fps, while .50 caliber rifles such as the Umarex Hammer or Hatsan PileDriver launch heavy 550 grain solid lead ammo for maximum terminal impact.

How many full-power shots will a large bore air rifle deliver per fill?

Shot count depends directly on caliber size, operating pressure, and onboard reservoir volume. The Umarex Hammer .50 caliber delivers 4 full power regulated shots plus 1 finishing shot (4 shots total) from a single full cylinder. Bolt-action hunting rifles like the Seneca Recluse .357 and Seneca Big Bore 44 909 .45 caliber use 500 cc reservoirs at 3,000 psi max-fill pressure with dual power levels to regulate air consumption, while the Hatsan BT 65 SL QE Carnivore utilizes a 255cc removable cylinder. Because large-bore platforms exhaust massive air volumes per trigger pull, always verify the manufacturer shot count specifications to plan your refills before heading into the field.

What fill pressure and charging equipment do big bore PCP air rifles require?

Operating pressures vary by design, meaning your charging setup must match your rifle's specific reservoir rating. Rifles such as the Seneca Big Bore 44 909 and Seneca Recluse operate at a 3,000 psi max-fill pressure and feature a built-in manometer to help you track cylinder reserves. Other platforms demand higher fill limits, which require external carbon fiber tanks or dedicated high-pressure compressors rather than standard hand pumps. Always verify the fill probe style, tank capacity, and working pressure on your rifle's receiver before connecting any high-pressure charging source.

Are large bore air rifles available in repeating actions or single-shot configurations?

Both actions exist across big-bore airguns to accommodate different hunting paces. Repeating models include side-lever bullpup rifles like the Hatsan PileDriver, rotary magazine configurations like the Hatsan BT 65 SL QE Carnivore, and reversible sidelever bolt actions like the Benjamin Bulldog .357. Hunters seeking straightforward, durable mechanics often choose manual single-shot models, such as the Seneca Big Bore 44 909 bolt action or break-barrel gas piston rifles. Looking into single-shot rifles and shotguns for any budget gives helpful perspective on how manual actions perform during field stalks.

How loud is the muzzle report on a big bore air rifle?

Big bore airguns release significant air pressure, but models equipped with factory sound suppression notably reduce field noise. The Hatsan BT 65 SL QE Carnivore features a QuietEnergy fully shrouded barrel and an integrated sound moderator designed to be approximately 50 percent quieter. Break-barrel options like the Hatsan Mod 130S Carnivore .30 caliber also incorporate a QuietEnergy shrouded barrel with an integrated sound moderator to tame shot report in brush. For unmoderated .45 and .50 caliber air rifles, muzzle report remains intense, so verify local game regulations regarding sound moderators and hearing protection before hunting.

Can a break-barrel air rifle produce enough energy for hunting compared to a PCP?

Break-barrel rifles provide simple, self-contained cocking without external tanks, but they produce substantially less power than pre-charged pneumatic systems. The Hatsan Mod 130S Carnivore .30 caliber break-barrel uses a single-shot Vortex gas piston to produce 600 fps and 34 fpe, which suits medium game hunting within modest ranges. Pre-charged pneumatic rifles generate vastly greater energy, with .357 caliber PCPs reaching up to 983 fps and .50 caliber PCP rifles pushing 550 grain solid lead ammo. If your hunting quarry requires maximum terminal energy, a PCP is necessary, whereas a break-barrel fits self-reliant hunters who want to avoid filling gear.