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EMG Super Lightweight Double Stack Hi-CAPA Magazine w/ Extended Baseplate (Model: Long Base / 40rd / CO2)

Current Product Price

$79.00

The EMG Super Lightweight Double Stack Hi-CAPA Magazine combines increased capacity with a lightweight, durable design for compatible Hi-CAPA gas blowback airsoft pistols. Constructed from lightweight aluminum, this CO2-powered magazine holds up to 40 rounds while helping reduce unnecessary weight compared with heavier traditional magazine designs.

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SKU: 115252 Categories: , Tags: , Brand:
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EMG SUPER LIGHTWEIGHT DOUBLE STACK HI-CAPA CO2 MAGAZINE

Long Base • 40 Rounds • Extended Baseplate • Lightweight Aluminum Construction

LIGHTER LOADOUT // 40-ROUND CAPACITY // CO2 POWER // EXTENDED BASEPLATE

Cut unnecessary weight without giving up magazine capacity with the EMG Super Lightweight Double Stack Hi-CAPA Magazine with Extended Baseplate – Long Base / 40rd / CO2.

Designed for compatible Hi-CAPA-style gas blowback airsoft pistols, this extended CO2 magazine combines a lightweight aluminum body, high-strength steel feeding spring, removable extended baseplate, and generous 40-round BB capacity.

For players who run their Hi-CAPA as a primary, competition-style platform, or heavily customized sidearm, the EMG Super Lightweight magazine provides a practical combination of capacity, handling, and reduced weight.


01 // SUPER LIGHTWEIGHT ALUMINUM CONSTRUCTION

Extended gas pistol magazines can add noticeable weight to both your pistol and your loadout.

EMG addresses that with a lightweight yet durable aluminum construction.

The reduced-weight magazine body helps minimize unnecessary bulk compared with heavier magazine designs while still providing the structural strength required for normal airsoft use.

This can make a noticeable difference when carrying multiple magazines throughout a full day of play.

For players building a lightweight Hi-CAPA setup, every component matters—and reducing magazine weight is an easy way to keep the complete loadout more manageable.


02 // 40-ROUND EXTENDED CAPACITY

More BB capacity means fewer interruptions for reloads.

This EMG Hi-CAPA magazine holds approximately 40 rounds of 6mm airsoft BBs, providing significantly more ammunition than many traditional standard-length pistol magazines.

The increased capacity is especially useful for players who use a Hi-CAPA as more than just an emergency secondary.

Whether you’re running a pistol-focused loadout or simply want additional capacity from your sidearm, the 40-round design provides more shots before you need to reload.


03 // EXTENDED LONG BASEPLATE

The extended baseplate isn’t there just for appearance.

Its larger profile is designed to make the magazine easier to grip and manipulate during reloads.

When pulling a magazine from a pouch or removing it from the pistol, the extended base provides an additional gripping surface that can help make magazine handling more convenient.

The long-base design also gives compatible Hi-CAPA pistols a distinctive competition-inspired appearance.

It’s a functional feature that adds both practicality and style.


04 // LOCKING REMOVABLE BASEPLATE

EMG designed the extended baseplate to remain securely positioned during normal use while still allowing it to be removed when required.

The locking baseplate design helps prevent unwanted movement while handling the magazine.

When maintenance or access is needed, the baseplate is designed for convenient removal.

This makes routine magazine care and inspection easier while maintaining the clean appearance of the extended long-base configuration.


05 // HIGH-STRENGTH STEEL FEEDING SPRING

A higher-capacity magazine needs a feeding system capable of consistently moving BBs into position.

Inside the EMG magazine is a high-strength steel spring designed to provide reliable feeding throughout its 40-round capacity.

Consistent spring pressure is particularly important in gas blowback pistols, where the magazine needs to present each BB correctly as the slide cycles.

The steel spring complements the lightweight aluminum magazine body, providing strength where it matters without adding unnecessary external bulk.


06 // CO2-POWERED CONFIGURATION

This specific version is the CO2 model.

CO2 magazines are designed around a different power source and pressure system than standard green gas magazines, so it is important to confirm that your particular Hi-CAPA airsoft pistol is designed to safely operate with the appropriate CO2 magazine system.

Gas blowback performance can also vary depending on temperature, pistol configuration, magazine condition, seals, maintenance, and environmental conditions.

Always follow the manufacturer’s recommendations for your specific pistol and magazine.


WHY CHOOSE THE EMG SUPER LIGHTWEIGHT HI-CAPA MAGAZINE?

✓ LIGHTWEIGHT ALUMINUM BODY

Reduces unnecessary magazine weight while maintaining durable construction.

✓ 40-ROUND CAPACITY

Carry more BBs than many traditional standard-length Hi-CAPA magazines.

✓ EXTENDED LONG BASE

Provides an additional gripping surface for easier magazine handling during reloads.

✓ LOCKING BASEPLATE

Designed to remain securely in place while still being conveniently removable when required.

✓ HIGH-STRENGTH STEEL SPRING

Supports consistent BB feeding throughout the magazine.

✓ CO2 CONFIGURATION

Purpose-built as a CO2 magazine for compatible Hi-CAPA-style GBB pistols.

✓ COMPETITION-INSPIRED APPEARANCE

The extended magazine profile pairs naturally with modern custom and competition-style Hi-CAPA builds.

 


MAGAZINE CARE // KEEP IT FIELD READY

Gas blowback magazines are an important part of the operating system and benefit from regular inspection and maintenance.

Keep the magazine clean, inspect the feed lips and seals for damage, and avoid dropping it onto hard surfaces—especially around the feed lips, valves, and extended baseplate.

Only use the magazine with compatible airsoft platforms and according to the manufacturer’s recommendations.


⚠ WARRANTY NOTICE // HPA MODIFICATION

Modification of this CO2 magazine to use aftermarket HPA fittings, valves, or similar high-pressure conversions will void all included warranties.

Aftermarket high-pressure modifications can expose the magazine and its components to pressures or operating conditions outside their intended design.

Use the magazine only in its intended configuration and follow EMG’s operating recommendations.


FINAL WORD // MORE CAPACITY. LESS WEIGHT.

The EMG Super Lightweight Double Stack Hi-CAPA Magazine with Extended Baseplate – Long Base / 40rd / CO2 is built for players who want increased pistol capacity without unnecessarily weighing down their setup.

Its combination of a lightweight aluminum body, 40-round capacity, extended removable locking baseplate, high-strength steel feeding spring, and CO2-powered configuration makes it a strong addition to compatible Hi-CAPA gas blowback pistol loadouts.

More BBs when you need them. Less unnecessary weight when you’re carrying them.

40 ROUNDS // LIGHTWEIGHT ALUMINUM // EXTENDED HI-CAPA PERFORMANCE

Weight1.2 kg
Dimensions12 × 9 × 9 in
Product Specifications

Capacity: 40+1 rounds
Gas Type: CO2
Compatibility: AW Custom, WE-Tech, Tokyo Marui and other compatible Hi-CAPA Airsoft pistols
Material: Aluminum, Steel, Polymer

FAQ

◉ EMG SUPER LIGHTWEIGHT 40RD HI-CAPA CO2 MAGAZINE // FAQ DATABASE ◉

40-ROUND CAPACITY

How many BBs does this magazine hold?

The EMG Super Lightweight Hi-CAPA magazine has an approximate capacity of 40 rounds of standard 6mm airsoft BBs, providing additional capacity compared with many standard-length pistol magazines.

CO2 POWERED VERSION

Is this a green gas magazine?

No. This specific model is the CO2 version. Always confirm that your airsoft pistol is designed to safely operate with the appropriate CO2 magazine system before use.

LIGHTWEIGHT ALUMINUM CONSTRUCTION

Is the magazine made from metal?

Yes. The magazine uses a lightweight aluminum construction engineered to provide excellent durability without the unnecessary weight associated with some heavier magazine designs.

EXTENDED BASEPLATE

What is the advantage of the extended baseplate?

The extended baseplate provides a larger gripping surface, making the magazine easier to grab and manipulate during reloads. It also gives compatible Hi-CAPA builds a distinctive extended-magazine appearance.

REMOVABLE BASEPLATE

Can the extended baseplate be removed?

Yes. The baseplate is designed to lock securely into position during normal use while remaining easily removable when access is required.

HIGH-STRENGTH FEEDING SPRING

What type of feeding spring does it use?

The magazine uses a high-strength steel spring engineered to provide dependable BB feeding and consistent operation in compatible Hi-CAPA gas blowback pistols.

COMPATIBILITY NOTICE

Will this magazine fit every Hi-CAPA airsoft pistol?

Compatibility can vary between Hi-CAPA manufacturers, models, and generations. Always verify compatibility with your exact pistol before purchasing, particularly because this is a CO2-powered magazine.

⚠ HPA MODIFICATION // WARRANTY NOTICE

Can I convert this magazine to HPA?

EMG specifically warns that modifying Green Gas or CO2 magazines with aftermarket HPA fittings or valves will void the included warranty because of the potential risk of damage associated with exposure to high pressure or misuse.

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Product Questions

Important information about ordering, processing, shipping and product compatibility.

Yes. Eligible products can be shipped across Canada. Shipping methods and rates are displayed during checkout.
Standard processing is normally approximately 3–4 business days. Weekends and statutory holidays are not processing days.
Some products require a transfer from our USA warehouse. These orders may require additional processing time.
Yes. Contact our team before ordering for compatibility assistance with rifles, pistols, engines, gearboxes and accessories.
Tracking is normally supplied after processing, packaging and carrier acceptance.
Selected airsoft rifles and pistols may qualify. Eligibility depends on platform, condition and current demand.