9 Umarex 850 Airmagnum of 2026 For Smooth Multi-Shot Shooting

1

Umarex ReadyAIR Gen 2 Portable High Pressure Air Compressor Pump

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  9.6
• Brand
  Umarex

Key specs2

Platform Compatibility

This portable compressor serves high-pressure PCP airguns exclusively. It cannot charge or interface with CO2-powered repeaters.

Power Source Mechanism

High-pressure electric air compressor

Pros & cons32

Pros

• Fills pre-charged pneumatic PCP airguns directly without relying on manual hand pumps
• Portable design allows transport for mobile PCP air cylinder charging needs
• Gen 2 design provides dedicated high-pressure air management for air rifles

Cons

• Incompatible with standard CO2 platforms like the 850 AirMagnum
• Operating pressure limits and electrical requirements are not listed in the data

2

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 of 12-gram capsules

Valve Protection

The clean CO2 formulation prevents dirtying valve seals, protecting internal components during extended shooting sessions.

Pros & cons33

Pros

• Supplies clean CO2 formulated to keep internal airgun valves free of debris
• Pack of 30 provides ample capsules for repeated target shooting sessions
• Sized at 12 grams for compatibility with standard CO2 airguns and dual-capsule adapters

Cons

• Shot count per capsule varies depending on the specific airgun valve setup
• Delivery is restricted to specific zip codes
• Requires a multi-capsule adapter to fit rifles designed strictly for bulk 88g CO2 tanks

3

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

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  9.4
• Brand
  Umarex

Key specs2

Pack Size

12 individual 12-gram cylinders

Fuel Versatility

Works across .177 pellet guns, BB shooters, and airsoft platforms equipped for standard 12g capsules.

Pros & cons33

Pros

• Provides clean 12-gram CO2 capsules designed for pellet, BB, and airsoft guns
• Pack of 12 offers a compact supply for quick plinking trips
• Fits air rifles equipped with dual 12g CO2 adapters

Cons

• Smaller 12-pack requires frequent reordering for regular target practice
• Operating shot count per cylinder varies across different airgun platforms
• Does not fit 88g threaded receiver ports without a dedicated conversion adapter

4

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

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  9.4
• Brand
  Umarex

Key specs2

Bulk Supply Count

50-pack of 12-gram cartridges

Gas Purity

Engineered to keep airgun valves clean, preserving valve integrity across hundreds of shots.

Pros & cons32

Pros

• Bulk 50-pack ensures an uninterrupted gas supply for multi-shot shooting sessions
• Formulated clean gas prevents fouling and buildup on internal firing valves
• Standard 12-gram configuration fits a wide range of CO2 pellet guns

Cons

• Shipping availability is restricted to selected zip codes
• Total shot yield per cartridge is not fixed and depends on your specific rifle

5

Umarex .177 Caliber Pellet Air Gun Rotary Magazine (Pack of

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  9.0
• Brand
  Umarex

Key specs2

Verified Models

• Walther CP88, CP88 Competition, CP99, and PPQ
• Umarex Lever Action Rifle
• Beretta M 92 FS and Colt 1911 A1
• HK P30 and Smith & Wesson M&P 45

Construction Material

Machined aluminum rotary design

Pros & cons32

Pros

• Crafted in Germany from solid aluminum for durable feeding performance
• 8-shot rotary capacity supports fast multi-shot target shooting
• Pack of 3 provides 24 total shots preloaded for rapid cylinder changes

Cons

• Built for select pistols and the Lever Action Rifle, not confirmed for 850 AirMagnum receivers
• Restricted strictly to .177 caliber pellets with no .22 caliber compatibility

6

Ruger Explorer Youth Break Barrel .177 Caliber Pellet Gun Air

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  8.8
• Brand
  Umarex

Key specs2

Action Mechanism

Single-shot break barrel

Shooter Profile

Scaled for youth shooters who want a self-contained pellet rifle without the need for external CO2 gas tanks.

Pros & cons32

Pros

• Break-barrel spring powerplant requires no CO2 cartridges or fill pumps
• Youth-oriented design offers manageable handling for younger shooters
• Chambered in .177 caliber for widely available backyard target pellets

Cons

• Single-shot action cannot match the rapid follow-up shots of rotary repeaters
• Manufacturer does not list cocking effort or muzzle velocity specifications

7

Umarex Hammer Carbine .50 Caliber Pellet Gun PCP Air Rifle

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  8.0
• Brand
  Umarex

Key specs2

Ammunition Caliber

.50 caliber pellets

Intended Application

Built for heavy-duty big bore hunting, representing a major power step beyond standard CO2 target rifles.

Pros & cons33

Pros

• Carbine format provides massive .50 caliber hunting power on a PCP powerplant
• Chambered for heavy .50 caliber pellets rather than standard plinking ammo
• Pneumatic PCP design delivers high-energy performance without CO2 temperature drop

Cons

• Requires high-pressure PCP charging equipment like a compressor or scuba tank
• Excessive power and caliber size make it unsuitable for typical backyard target plinking
• Fill pressure and magazine capacity must be verified before purchasing

8

Crosman 1077 RepeatAir Semi-Automatic CO2-Powered .177-Caliber Pellet Air Gun, Black,

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  8.0
• Brand
  Crosman

Key specs2

Firing Mechanism

Semi-automatic CO2 repeating action

Target Role

A direct multi-shot alternative for shooters wanting rapid follow-up fire without manual cocking.

Pros & cons32

Pros

• Semi-automatic repeating action delivers rapid follow-up shots on targets
• CO2-powered design eliminates cocking effort between successive shots
• Fires popular .177 caliber pellets for economical backyard plinking

Cons

• Velocity drops during rapid firing sequences as the CO2 cools down
• Cartridge capacity and shot count per 12g capsule are not listed in the specs

9

Gamo 611139354 C-15 Bone Collector Pellet/BB Pistol

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  7.6
• Brand
  Gamo

Key specs2

Ammo Compatibility

Dual-fuel: .177 pellets and steel BBs

Platform Format

Compact pellet and BB handgun

Pros & cons32

Pros

• Dual-ammo capability allows shooting both .177 pellets and steel BBs
• Handgun format provides a compact sidearm option for quick plinking sessions
• Bone Collector edition styling in a lightweight frame

Cons

• Handgun configuration lacks the shoulder stability and sight radius of a full-length rifle
• Power source and magazine shot capacity must be verified on the product page

Last update on 2026-10-08 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Which rotary magazines fit .177 caliber multi-shot air rifles?

Magazine fit depends entirely on the receiver cut, so always confirm exact model compatibility before buying spare clips. The Umarex 8-shot rotary magazine in .177 caliber is silver and specifically listed for the Walther CP88, CP88 Competition, CP99, PPQ, Lever Action Rifle, Beretta M 92 FS, Colt Government Model 1911 A1, and HK P30. Because air rifle breeches vary, check your receiver depth to confirm whether an 8-shot pistol-style rotary clip seats flush or if your rifle requires a dedicated wider magazine wheel.

Can you use 12-gram CO2 cartridges in a repeating pellet rifle?

Yes, provided your rifle features a dual-capsule adapter or is engineered natively for 12-gram cylinders. Standard options like Umarex 12-gram CO2 cartridges deliver clean gas that does not dirty your air gun valves, maintaining clean internal seals across extended shooting sessions. If your repeating rifle accepts larger bulk bottles out of the box, check your manual to verify whether an aftermarket dual 12-gram insert fits inside the stock compartment. For shooters seeking rapid backyard plinking with small gas capsules, exploring a dedicated CO2 plinking gun provides another fast-handling alternative.

Why is gas quality critical for multi-shot repeating valves?

Clean gas prevents debris buildup and valve seal degradation that can cause velocity drops or chamber jams. Dirty gas cylinders often deposit oily residue and grit inside the firing valve, reducing shot-to-shot consistency. Using clean CO2 cartridges from Umarex ensures you do not dirty your air gun valves during rapid firing sequences. That clean airflow keeps rotary magazines indexing smoothly and ensures each pellet clears the barrel cleanly.

What is a good multi-shot CO2 alternative if the 850 AirMagnum is unavailable?

The Crosman 1077 RepeatAir provides an accessible alternative, offering semi-automatic CO2 power in .177 caliber for rapid follow-up shots. It runs on standard gas power and handles fast target practice without requiring you to cock a barrel between rounds. If your shooting goals extend beyond standard plinking to backyard pest control, checking our selection of tactical air rifles can help you evaluate repeating actions against alternative platforms.

How does a multi-shot repeating rifle compare to a youth break barrel?

Repeating rifles let you take immediate follow-up shots without breaking your shooting position, whereas break-barrel rifles require manual cocking for each individual pellet. A model like the Ruger Explorer Youth break barrel shoots .177 caliber pellets as a single-shot platform, making it simple and self-contained with no gas cylinders or rotary clips to track. In contrast, multi-shot repeaters rely on magazines and gas pressure to cycle pellets, giving you faster fire at the cost of managing CO2 levels.

Can you transition from CO2 repeating rifles to high-pressure PCP systems?

PCP systems use high-pressure air rather than CO2, delivering much higher power levels at the expense of needing external filling hardware. For example, the Umarex Hammer Carbine is a PCP air rifle designed for .50 caliber pellets, which operates at pressures far above standard gas cartridges. Charging these systems requires dedicated gear like the Umarex ReadyAIR Gen 2 portable high pressure air compressor pump rather than simply dropping in a 12-gram CO2 cylinder.