Top Full Auto Air Rifles: 2026 Ultimate Guide for Thrilling Shooting Experiences

1

Liss CO2 Cartridges for Airsoft Gun - 12 Gram C02

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• ARS Mark

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  9.8
• Brand
  Number 1 In Service

Key specs2

Bulk Shooting Supply

150 unthreaded 12g capsules

Gas Purity and Valves

Clean carbon dioxide free of chemical additives prevents dirty residue from accumulating inside rifle air channels and valve stems.

Pros & cons42

Pros

• Bulk 150-pack supply reduces reorder frequency for frequent plinkers
• Unthreaded push-in neck fits standard air rifle chambers smoothly
• Clean, chemical-free carbon dioxide helps protect internal valves from grime
• Broad compatibility with brands like Umarex, Crosman, and Gamo

Cons

• Per-capsule shot count varies widely between 30 and 200 shots based on the rifle
• Bulk quantity requires dry, dedicated indoor storage to prevent corrosion

2

Crosman 12-Gram CO2 Powerlet Cartridges For Use With Air Rifles

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  9.4
• Brand
  Crosman

Key specs2

Chamber Fit and Sealing

Engineered to seat snugly against the valve gasket, directing gas pressure directly behind the pellet rather than venting into the action.

Pack Quantity

40 standard 12-gram Powerlets

Pros & cons32

Pros

• Snug chamber fit prevents gas leakage around the piercing face
• Dependable 40-count pack covers extended target sessions without bulk overload
• Sized for standard 12-gram air rifles, air pistols, and compatible markers

Cons

• Unthreaded design is incompatible with threaded 88g or 90g rifle receivers
• Lacks integrated valve lubricant so seals require separate silicone oil maintenance

3

Crosman Copperhead 4.5mm Copper-Coated BBs (1500-count)

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  9.4
• Brand
  Crosman

Key specs2

Ammunition Type

4.5mm copper-coated steel BBs

Feeding Compatibility

Sized for smoothbore 4.5mm BB air rifles and pistols; avoid loading into precision rifled pellet barrels.

Pros & cons32

Pros

• EZ-pour bottle allows smooth reloading into BB air rifle reservoirs
• Copper coating protects steel shot from surface corrosion during storage
• Large 1500-count volume supports extended backyard plinking sessions

Cons

• Steel BB ammunition cannot power an airgun and requires separate CO2 cylinders
• Not suitable for rifled pellet barrels or airsoft equipment

4

Umarex High-Grade CO2 Cartridges for Pellet Guns, BB Guns and

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  9.4
• Brand
  Umarex

Key specs1

Airgun Compatibility

• Fits .177 and .22 caliber 12g CO2 air rifles
• Compatible with 12g CO2 pellet and BB pistols
• Unthreaded push-in neck profile

Pros & cons32

Pros

• Compact 12-pack is easy to carry directly in a range bag or pocket
• High-grade standard 12-gram build fits pellet rifles, BB guns, and airsoft pistols
• Unthreaded neck inserts quickly into standard push-in piercing chambers

Cons

• Small 12-count pack runs out quickly during semi-automatic target shooting
• Listing omits specific shot-yield estimates and valve lubrication details

5

Guard Dog Security CO2 Cartridges - 12 Gram Non-Threaded, Compatible

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  9.4
• Brand
  Guard Dog Security

Key specs2

Oil-Free Gas Formula

Filled with high-grade carbon dioxide without added oils, keeping delicate valve orifices clear of gunk.

Multi-Platform Utility

• Air rifles and BB pistols
• Airsoft guns and paintball markers
• Emergency inflators and Guard Dog launchers

Pros & cons42

Pros

• Pure CO2 gas contains no unrefined oils or lubricants to gum up internal valves
• Steel casing with push-in neck seats easily into built-in piercing valves
• Delivers steady pressure airflow for rapid-fire airsoft and air rifle shooting
• Backed by a 90-day manufacturer warranty

Cons

• Low 10-cartridge count requires frequent reordering for regular shooters
• Requires manual application of airgun oil to preserve rifle face seals

6

ICO 10pcs 12 Gram Co2 Cartridges Non-Threaded for Use with

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  9.2
• Brand
  Impeccable Culinary Objects (ICO)

Key specs2

Shot Output Range

20 to 30 peak shots; up to 200 total

Valve Seal Protection

Oil-free carbon dioxide prevents greasy buildup around internal O-rings, though external seal lubricant must be added manually.

Pros & cons42

Pros

• Pure carbon dioxide with no oils prevents fouling inside internal valve assemblies
• Delivers 20 to 30 strong shots per capsule, with up to 200 total depending on the gun
• Steel construction with a leakproof fit seats flush against puncture pins
• 100% recyclable single-use steel bodies

Cons

• Small 10-pack runs out rapidly during semi-automatic plinking
• Unthreaded neck does not screw directly into 88-gram rifle receivers

7

Crosman 12-Gram CO2 Powerlet Cartridges For Use With Air Rifles

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  9.2
• Brand
  Crosman

Key specs2

Range Session Size

25 standard 12g cartridges

Chamber Dimensions

Standard 12-gram Powerlet sizing seats directly into factory Crosman air rifle and pistol gas tubes.

Pros & cons32

Pros

• Mid-size 25-count pack balances portable storage with ample shooting volume
• Standard 12-gram dimensions fit Crosman and other mainstream CO2 air rifles
• Clean steel neck pierces reliably without jamming chamber mechanisms

Cons

• Packaging provides fewer cartridges per box than 40-pack or 150-pack options
• Does not include thread adapters for rifles built for large 88g bottles

8

HK Quick Change 12g CO2 Cartridge Adapter with 88g or

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  8.6
• Brand
  HK

Key specs2

Thread Specification

M16*1.5 threads; standard ASA match

Cartridge Conversion

Allows running low-cost 12-gram capsules in air rifles designed for 88g or 90g bottles, ideal for short shooting sessions.

Pros & cons42

Pros

• Converts expensive 88g or 90g rifle receivers to accept economical 12g cartridges
• High-quality alloy build features an internal air-tight cushion to prevent leaks
• Standard M16*1.5 threads fit SIG SAUER MCX, MPX, and standard ASA markers
• Lightweight 0.18-pound profile adds negligible weight to the rifle frame

Cons

• Yields only 15 to 20 shots per 12g capsule compared to several hundred on an 88g tank
• Requires following installation steps precisely to avoid immediate gas venting

9

Maoershan CO2 Cartridges 12g Holder Case Fits 8 16 12

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  8.4
• Brand
  Maoershan

Key specs1

Storage Compatibility

Holds loose 8-gram, 12-gram, or 16-gram unthreaded cartridges to protect neck surfaces from dings before chambering.

Pros & cons32

Pros

• Protective storage case organizes loose 8g, 12g, and 16g CO2 cartridges
• Compatible with standard refills from Crosman, Umarex, Daisy, and Leland
• Prevents cartridges from rolling around, denting necks, or scratching valve seals

Cons

• Accessory case only; does not include CO2 cartridges or gas refills
• Specific exterior dimensions and exact holding capacity are unstated in the listing

10

VaVoger CO2 Adapter for 90 Gram or 88 Gram Cartridge,

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  8.4
• Brand
  VaVoger

Key specs2

High-Capacity Cylinder Match

Compatible with 88g and 90g cartridges

Pneumatic Integration

Designed for rifles and paintball markers requiring 88-gram or 90-gram gas sources; verify rifle thread pitch before purchase.

Pros & cons32

Pros

• Compatible with large 88-gram and 90-gram threaded CO2 cartridges
• Durable metal construction connects to PCP air gun rifles and paintball systems
• Simple screw-on installation requires no complex modification to the airgun

Cons

• Listing omits specific thread pitch dimensions, requiring buyer verification
• Does not accept smaller, economical 12-gram unthreaded capsules

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

Will standard unthreaded 12-gram CO2 cartridges fit my air rifle?

Yes, unthreaded 12-gram cartridges fit air rifles designed with push-in gas chambers. Steel capsules like Guard Dog Security feature an unthreaded design that allows you to push the cartridge directly into place instead of screwing it in. Cartridges such as Crosman Powerlets are engineered to fit snug in the chamber so gas directs straight toward the shot rather than venting outward, keeping pressure behind BB projectiles. If your rifle uses a threaded receiver designed for larger 88-gram or 90-gram bottles, verify the chamber dimensions before loading, because standard 12-gram cylinders require a dedicated adapter to mount securely.

Why do some CO2 cartridges leak out all their gas immediately upon piercing?

Rapid gas loss happens when a cartridge neck fails to seat flush against the rifle valve face during puncture. If the capsule does not achieve a tight seal in the chamber, carbon dioxide vents around the piercing pin rather than pressurizing the valve assembly. Cartridges engineered to fit snug in the chamber prevent gas from leaking out of the gun so full pressure remains available for firing. Cartridges made from steel and filled with pure carbon dioxide without oils or lubricant, such as Guard Dog Security capsules, help maintain a clean seating surface against internal valve parts.

Can you use 12-gram CO2 cartridges in an air rifle threaded for 88g or 90g tanks?

Yes, you can run 12-gram capsules in rifles threaded for 88-gram or 90-gram tanks by installing a compatible conversion adapter. The HK Quick Change alloy adapter matches 88g or 90g capsule threads for rifles like the SIG SAUER MPX and MCX, incorporating an air-tight cushion designed to stop gas from leaking. When using this adapter, a single 12-gram cylinder puts out about 15-20 shots and about 20-30 charges. For other threaded configurations, verify whether an adapter like the VaVoger unit matches your 88-gram or 90-gram cartridge setup before mounting.

How many shots does a 12-gram CO2 cartridge deliver in an air rifle?

A standard 12-gram CO2 cartridge delivers a minimum of 30 shots and a maximum of 200 shots, depending on the specific gas-operated gun you use. ICO specifies this 30 to 200 shot range for its 12g non-threaded chargers across different shooting hardware. If you run a 12-gram cartridge through an 88g or 90g thread adapter on an air rifle like the SIG SAUER MPX or MCX, output reaches about 15-20 shots and about 20-30 charges due to the larger internal valve volume. Exact shot count varies by action type, firing pace, and valve efficiency, so confirm your rifle specifications in the manufacturer manual.

Does gas purity in a CO2 cartridge affect internal air rifle valves?

Yes, propellant purity directly impacts how cleanly your air rifle valve mechanisms operate. Guard Dog Security produces steel cartridges filled with pure carbon dioxide gas formulated without oils or lubricant to maintain a snug fit and prevent residue from coating internal passages. Clean gas delivery helps keep pressure consistent whether you are firing pellets or Crosman Copperhead 4.5mm copper-coated BBs. When matching projectiles to your specific shooting platform, reviewing the best ammo for Gamo air rifle setups helps ensure pellet grain weights align with your gun power plant.

How should spare CO2 cartridges be handled and stored between shooting sessions?

Store unpierced CO2 cartridges in a dedicated organizer to protect the neck and puncture seal from dirt, moisture, and surface damage. A specialized case, such as the Maoershan holder case designed for 12-gram refills, shields capsule tips so they seat cleanly against internal rifle seals. If you alternate between rifles and sidearms, a blowback air pistol with rifled barrel uses similar unthreaded 12-gram capsules for target practice. Never leave a pierced cartridge under pressure inside your air rifle for long periods, as prolonged resting pressure can compress and damage delicate valve face seals.