10 Umarex H&k 416 A5 of 2026 For Target Practice

1

Umarex ReadyAIR Gen 2 Portable High Pressure Air Compressor Pump

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• ARS Mark

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  9.6
• Brand
  Umarex

Key specs1

PCP Airgun Power Compatibility

Engineered specifically for pre-charged pneumatic platforms, making it incompatible with standard 12-gram CO2 replicas or spring-piston guns.

Pros & cons32

Pros

• Fills pre-charged pneumatic (PCP) air rifles and airguns directly
• Portable high-pressure compressor design for mobile field use
• Built specifically for dedicated PCP airgun platforms

Cons

• Requires verification of maximum fill pressure and duty cycle before use
• Does not power CO2-operated or spring-piston airguns

2

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

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  9.4
• Brand
  Umarex

Key specs2

Cartridge Size and Quantity

12 Gram (12 Pack)

Airgun Compatibility

Intended for 12-gram CO2 airguns and airsoft platforms, but incompatible with 88-gram bulk-fill air rifles or PCP reservoirs.

Pros & cons32

Pros

• Powers compatible 12-gram CO2 air pistols, BB rifles, and airsoft guns
• Compact 12-count pack is easy to store inside a range bag
• Standardized 12-gram neck fits standard airgun puncture valves

Cons

• Rounds per cartridge vary depending on gun action and outdoor temperature
• Incompatible with 88-gram CO2 air rifles or PCP fill systems

3

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

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  9.4
• Brand
  Umarex

Key specs2

Cartridge Size and Quantity

12 Gram (50 Pack)

Valve Protection

Formulated to leave internal valves clean, preserving seals during extended plinking sessions.

Pros & cons32

Pros

• Bulk 50-pack supply provides extended target practice sessions
• Clean gas formulation helps protect internal airgun valves from debris
• Standard 12-gram size fits a wide range of CO2 BB and pellet platforms

Cons

• Purchase eligibility is limited to specific regional zip codes
• Total shot count per capsule varies by individual airgun action

4

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

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  9.4
• Brand
  Umarex

Key specs2

Capacity and Configuration

88 Gram (2 Pack)

Cartridge Form Factor

Large 88-gram threaded profile is built for specific air rifles and will not chamber in compact 12-gram handguns.

Pros & cons32

Pros

• 88-gram capacity delivers high-volume shooting for compatible air rifles
• Clean gas composition prevents premature valve fouling
• Pack of two cylinders provides dedicated fuel for extended field sessions

Cons

• Incompatible with standard 12-gram pistol grips and replica magazines
• Purchase eligibility is limited to specific zip codes

5

HK Heckler & Koch VP9 Blowback .177 Caliber BB Gun

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  8.8
• Brand
  Umarex

Key specs3

Muzzle Velocity

Up to 350 FPS

Ammunition and Magazine

• Caliber: .177 steel BBs
• Magazine capacity: 18 rounds
• Spare magazine part: 2252309

Slide and Frame Build

Constructed with a metal slide and polymer frame, featuring fixed sights and an integrated rail for weapon lights.

Pros & cons43

Pros

• Realistic blowback action simulates slide cycling during firing
• Shoots .177 caliber steel BBs at velocities up to 350 fps
• Full metal slide and durable polymer frame carry official HK markings
• Integrated accessory rail accommodates tactical lights or lasers

Cons

• Requires separate purchase of 12-gram CO2 cartridges
• Blowback action consumes gas faster than non-blowback pistols
• Fixed front and rear sights lack windage and elevation adjustment

6

Umarex HK Heckler & Koch HK416 AEG 6mm BB Rifle

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  8.6
• Brand
  Elite Force

Key specs1

Platform and Ammunition

Chambered exclusively for 6mm plastic airsoft BBs using an automatic electric gearbox (AEG), making it incompatible with steel BBs or lead pellets.

Pros & cons32

Pros

• Authentic HK416 tactical rifle platform layout for realistic drill practice
• AEG electric battery powerplant eliminates need for CO2 gas capsules
• Chambered for standard 6mm airsoft BBs suitable for tactical gaming

Cons

• Battery and charger specifications must be confirmed on product listing
• Cannot shoot .177 steel BBs or target pellets

7

Elite Force unisex adult 16-Round Capacity, Fits USP Standard Action,

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  8.4
• Brand
  Umarex

Key specs1

Magazine Compatibility

• Ammunition: 6mm plastic airsoft BBs
• Capacity: 16 rounds
• Compatible pistols: Models 2262030 and 2275023

Pros & cons32

Pros

• 16-round capacity for quick reloading during airsoft practice
• Lightweight 0.2-pound polymer build makes carrying spares convenient
• Dedicated fit for HK USP CO2 Standard Action airsoft models 2262030 and 2275023

Cons

• Chambered only for 6mm plastic BBs and will not feed .177 steel BBs
• Incompatible with .177 caliber airgun versions of the USP

8

Umarex TAC .177 Caliber BB Gun Air Rifle , Black

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  8.4
• Brand
  Umarex

Key specs1

Carbine Caliber Specification

Chambered in .177 caliber for steel BB shooting; verify power source requirements and magazine style before purchasing.

Pros & cons32

Pros

• Rifle platform configured for .177 caliber steel BB target shooting
• Tactical carbine format provides a stable shoulder mount for plinking
• All-black synthetic finish delivers a utilitarian tactical look

Cons

• Specific powerplant and velocity ratings must be checked on listing
• Magazine capacity and rail specifications are not detailed in listing data

9

HK Heckler & Koch HK45 .177 Caliber BB Gun Air

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  8.4
• Brand
  Umarex

Key specs2

Muzzle Velocity

Up to 400 FPS

Pistol Specifications

• Caliber: .177 steel BB
• Velocity: Up to 400 FPS
• Capacity: 20 rounds
• Weight: 1.65 pounds

Pros & cons43

Pros

• Reaches muzzle velocities up to 400 fps with .177 steel BBs
• High-capacity 20-shot feeding system reduces reload interruptions
• Full metal slide and polymer frame deliver a realistic 1.65-pound weight
• Built-in accessory rail allows mounting of tactical lasers and lights

Cons

• Non-blowback action means the slide does not cycle during firing
• 12-gram CO2 cartridges are not included in the package
• Fixed front and rear sights cannot be adjusted for windage

10

Umarex HK Heckler & Koch USP .177 Caliber BB Gun

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  8.0
• Brand
  Umarex

Key specs1

Handgun Handling Features

• Caliber: .177 steel BB
• Magazine: Drop-free mechanism
• Controls: Ambidextrous magazine release
• Weight: 1.6 pounds

Pros & cons42

Pros

• Drop-free magazine handles .177 steel BB reloads cleanly
• Ambidextrous magazine release accommodates left- and right-handed shooters
• Substantial 1.6-pound weight mimics the heft of the actual service pistol
• Uses widely available 12-gram CO2 power cartridges

Cons

• CO2 cartridges must be purchased separately
• Does not accept 6mm airsoft magazines despite sharing the USP name

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

Is the Umarex HK416 chambered for 6mm airsoft BBs or .177 steel BBs?

It depends on the exact model design. The Umarex HK Heckler & Koch HK416 AEG is an airsoft rifle designed strictly for 6mm plastic BBs, whereas dedicated target platforms like the Umarex TAC rifle and HK Heckler & Koch USP pistol use .177 caliber steel BBs. Loading .177 steel projectiles into a 6mm airsoft barrel will cause feeding jams and internal barrel damage. If your goal is backyard drills with traditional target ammo, explore a dedicated tactical air rifle setup or verify the caliber stamping on the receiver before ordering supplies.

What power source does an HK416 replica rifle use?

The Umarex HK Heckler & Koch HK416 AEG operates on an electric battery power plant rather than compressed gas. In contrast, training sidearms like the HK45, the HK VP9 blowback pistol, and the HK USP (part number 2252300) are powered by standard 12-gram CO2 cartridges. Larger airgun platforms may require 88-gram CO2 cylinders (such as part number 2252534) or high-pressure air systems like the Umarex ReadyAIR Gen 2 compressor for PCP models. Always confirm the power system specified in the product manual so you do not order incompatible gas capsules or batteries.

Can you shoot .177 steel BBs from an HK416 airsoft rifle for target practice?

No, you must never load .177 steel BBs into a 6mm replica like the HK416 AEG. A .177 caliber steel BB is smaller than the 6mm airsoft bore, which means it will roll straight through the barrel or jam the feeding nozzle and hop-up mechanism. Likewise, 6mm plastic BBs will not chamber inside .177 caliber airguns such as the Umarex TAC or HK VP9. Always match the ammunition diameter exactly to the barrel caliber listed for your rifle.

Which spare magazines fit Umarex HK replica rifles and pistols?

Magazines are not interchangeable across different replica models or calibers. For instance, the Elite Force 16-round plastic airsoft magazine (part number 2262034) is compatible only with HK USP CO2 standard action airsoft pistols (part numbers 2262030 and 2275023) using 6mm plastic BBs. It will not latch into an HK416 rifle or a .177 caliber pistol like the HK VP9 or HK45. Always verify the manufacturer part number on your gun against the replacement magazine listing before purchasing.

What CO2 cartridge size is required for Heckler & Koch training replicas?

Most Heckler & Koch CO2 training pistols use 12-gram CO2 cartridges. Models such as the 18-shot HK VP9 blowback air pistol, the 20-shot HK45 air pistol (part number 2252304), and the HK USP air pistol (part number 2252300) all take 12-gram capsules. Clean power sources such as Umarex 12-gram CO2 cartridges (part number 2211302) are recommended to keep internal valves free of debris. If you are comparing sidearms to a larger CO2 BB gun, check whether the receiver accepts 12-gram capsules or requires larger 88-gram CO2 tanks (part number 2252534).

How do you verify optic and accessory mounting rail compatibility?

Verify the specific rail dimensions and spacing on the rifle before buying scopes, red dots, or tactical attachments. While rifles styled after the HK416 profile typically feature top and handguard mounting rails, exact accessory rail interfaces differ between 6mm airsoft AEG frames and airguns like the Umarex TAC. Check the rifle manual to confirm whether your chosen optic mount matches the rail pattern on your platform.