10 Umarex Fusion 1 of 2026 For Quiet Backyard Shooting

1

Bundle of Umarex Fusion 2 Quiet .177 Caliber Pellet Gun

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  10.0
• Brand
  Umarex

Key specs2

Bundle Configuration

Pairs the modern Fusion 2 quiet .177 pellet rifle with an additional 9-round magazine, providing an extra rotary clip ready for backyard shooting.

Platform Compatibility

Serves as the direct successor to the discontinued Fusion 1, utilizing updated 9-round rotary magazines that do not fit older first-generation actions.

Pros & cons32

Pros

• Includes the Fusion 2 .177 air rifle and a 9-round rotary magazine
• Successor platform built specifically for quiet target shooting
• Chambered in standard .177 caliber for widely available pellet choices

Cons

• Fusion 2 magazine does not fit legacy Fusion 1 receivers
• CO2 power sources and pellets are sold separately

2

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

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  9.4
• Brand
  Umarex

Key specs2

Cartridge Quantity

12-pack (12 grams each)

Gas Purity and Valve Care

Engineered with clean CO2 to prevent fouling, protecting the internal valve seals of pellet and BB guns from dirty gas residue.

Pros & cons32

Pros

• Clean gas formula prevents valve fouling and dirt accumulation
• Standard 12-gram size fits compatible multi-capsule adapters and airguns
• 12-pack count suits occasional weekend target practice

Cons

• Delivers fewer total shots per capsule than 88-gram tanks
• Shipping is restricted to select zip codes

3

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

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  9.4
• Brand
  Umarex

Key specs2

Cartridge Quantity

30-pack (12 grams each)

Airgun Maintenance Benefit

Formulated to keep internal airgun valves clean, helping maintain consistent valve operation across high-volume plinking sessions.

Pros & cons32

Pros

• Clean CO2 formulation prevents internal valve contamination
• 30-cartridge bulk quantity supports extended backyard shooting sessions
• Standard 12-gram format fits compatible pellet, BB, and airsoft guns

Cons

• Delivery availability is limited by zip code restrictions
• Requires more frequent capsule changes compared to high-capacity 88g tanks

4

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

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  9.4
• Brand
  Umarex

Key specs2

CO2 Capacity and Shot Endurance

Provides 88 grams of clean CO2 per tank, offering significantly higher shot counts per cylinder than standard 12-gram capsules.

Dimensions and Weight

• Height: 9.25 inches
• Length: 1.75 inches, Width: 3 inches
• Weight: 0.22 pounds per unit

Pros & cons32

Pros

• High-capacity 88-gram fill supports long target sessions without cartridge changes
• Clean CO2 composition protects delicate internal firing valves
• Pack contains two full-size threaded 88g cylinders

Cons

• Remaining gas vents if removed without a dedicated shut-off adapter
• Shipping is restricted to select zip codes

5

Umarex Fusion 2 .177 Caliber Pellet Gun Air Rifle Magazine,

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  9.2
• Brand
  Umarex

Key specs2

Magazine Capacity

9 rounds (.177 caliber)

Rifle Compatibility

Engineered specifically for the Umarex Fusion 2 pellet rifle. This rotary magazine will not fit or cycle in legacy Fusion 1 receivers.

Pros & cons32

Pros

• 9-round rotary capacity enables quick follow-up target shots
• Easy-to-load mechanism keeps .177 pellets secured in place
• Compact composite construction weighs just 0.03 pounds

Cons

• Designed strictly for the Fusion 2 and does not fit legacy Fusion 1 rifles
• Limited warranty specifics require verification with Umarex

6

Umarex RWS Superdome Field Line Pellet Gun Pellets.177 Caliber, 8.3

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  9.2
• Brand
  Umarex

Key specs2

Pellet Specifications

• Caliber: .177
• Weight: 8.3 grains
• Head profile: English Bulldog round head
• Tin count: 300 pellets

Target and Field Suitability

Features a rounded head and rifled skirt designed for stable flight, making it suitable for backyard target shooting and light field work.

Pros & cons32

Pros

• English Bulldog round head design with rifled skirt enhances flight stability
• 8.3-grain weight matches .177 caliber target and field requirements
• Convenient tin contains 300 pellets for extended shooting sessions

Cons

• Round dome nose creates less distinct paper target holes than wadcutter pellets
• Caliber is restricted to .177 airguns and cannot be used in larger bores

7

Umarex CO2 Adapter for AirJavelin Arrow Gun

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  9.0
• Brand
  Umarex

Key specs1

Designated Compatibility

Built exclusively for the Umarex AirJavelin arrow gun. It is not compatible with Fusion 1 or Fusion 2 pellet rifles.

Pros & cons32

Pros

• Factory-engineered Umarex adapter ensures secure mounting
• Adapts CO2 gas delivery for compatible arrow-firing platforms
• Compact profile integrates smoothly into the receiver

Cons

• Engineered strictly for the AirJavelin rather than Fusion pellet rifles
• Thread specifications and cylinder compatibility are omitted from listing

8

Umarex CO2 Saver Adapter for Airgun 88g CO2 Capsules

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  8.6
• Brand
  Umarex

Key specs2

Build Material

Solid aluminum with o-ring seals

Seal Protection and Gas Economy

Enables partial-use 88g CO2 tanks to be detached without dumping gas, preventing o-ring strain caused by storing pressurized airguns.

Pros & cons32

Pros

• Allows removal of 88g CO2 cylinders without venting unspent gas
• Protects internal valve o-rings from damage during long storage periods
• Solid aluminum body provides rugged durability under pressure

Cons

• 88g CO2 cylinders are not included and must be purchased separately
• Requires Umarex-brand CO2 cylinders for optimal sealing performance

9

Gamo 611139354 C-15 Bone Collector Pellet/BB Pistol

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  7.6
• Brand
  Gamo

Key specs2

Ammunition Versatility

Dual ammo: .177 pellets and steel BBs

Action Format

Handheld CO2 pistol format, offering an alternative plinking option though lacking the rifle accuracy and sound suppression of the Fusion line.

Pros & cons32

Pros

• Dual-ammo design shoots both .177 pellets and steel BBs
• Compact pistol configuration allows portable plinking and handling
• Licensed Bone Collector series styling

Cons

• Pistol design lacks the stability and sight radius of a full-length air rifle
• Powerplant details and magazine capacity are not specified in the listing

10

Umarex Fusion 2 Quiet .177 Caliber Pellet Gun Air Rifle,Fusion

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  7.0
• Brand
  Umarex

Key specs2

Ammunition Caliber

.177 caliber pellets

Backyard Shooting Profile

Successor rifle to the original Fusion 1, combining quiet operation and a .177 caliber barrel for neighbor-friendly target practice.

Pros & cons32

Pros

• Updated quiet .177 caliber platform replacing the discontinued Fusion 1
• Engineered for quiet operation during backyard target sessions
• Chambered in standard .177 caliber for target shooting pellets

Cons

• Incompatible with original Fusion 1 rotary magazines
• Standalone rifle package does not include CO2, pellets, or extra magazines

Last update on 2026-10-07 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Is the original Umarex Fusion 1 still available, or has it been replaced by the Fusion 2?

The original rifle has been replaced by the Umarex Fusion 2 Quiet .177 Caliber Pellet Gun Air Rifle. Shooters looking for a quiet backyard pellet gun platform now rely on the updated Fusion 2 action, which is available either on its own or bundled with factory magazines. If you are trying to source an original first-generation rifle, new factory inventory has shifted entirely to the Fusion 2 model.

Are Umarex Fusion 2 magazines compatible with the older Fusion 1 action?

Factory compatibility is listed specifically for the newer Umarex Fusion 2 .177 Caliber Pellet Rifle under magazine part number 2251366. The manufacturer does not list backwards compatibility for original first-generation receivers, so you must verify your rifle breach dimensions and manual guidance before buying. Sticking to the designated .177 caliber magazine ensures smooth feeding without damaging internal breech components.

What CO2 cartridges help protect the internal valves from buildup?

Using clean Umarex high-grade CO2 cartridges prevents dirt and residue from contaminating your airgun valves. You can run individual 12-gram capsules in packs of 12 or 30, or step up to 88-gram cartridges (part number 2252534) for higher shot counts. Keeping valve assemblies free of grit preserves internal seals for quiet plinking sessions. If you shoot multiple gas platforms, exploring a dedicated CO2 airgun for plinking can help you compare valve maintenance across different models.

How can you stop 88-gram CO2 cylinders from wasting gas between shooting sessions?

You can screw on the Umarex CO2 Saver Adapter (part number 2211132) before installing an 88-gram cylinder. This adapter allows you to remove the 88-gram CO2 capsule from your airgun without venting the remaining air charge. When you wrap up a short session, simply unscrew the capsule with the adapter still attached and save it to shoot again later.

Which .177 caliber pellets deliver stable accuracy for backyard target practice?

Umarex RWS Superdome Field Line .177 caliber pellets (part number 2317406) offer an 8.3-grain weight that stabilizes cleanly in rifled barrels. They feature an English Bulldog design with a rounded head and a rifled skirt, giving you dependable knockdown power on metal silhouettes and paper targets. When setting up a home target lane alongside a tactical air rifle setup, standardizing on an 8.3-grain domed pellet helps maintain consistent shot placement.

Should you run 12-gram or 88-gram CO2 in your backyard air rifle?

Your shooting session length determines which cylinder size makes the most sense. Standard 12-gram cartridges work best for quick shooting sessions where you plan to deplete the gas before putting the gun away. Larger 88-gram capsules provide long shooting sessions without interruptions, especially when you pair them with a shut-off adapter so gas is not wasted during storage.