Gas vs. CO2 vs. Electric: Which Power Type Is the Best?
- Michael Hsieh
- Sep 1, 2025
- 3 min read
Power type (Power system) matters? Of course! Choosing an airsoft gun isn’t just about looks or brand—you’ve also got to figure out how it’s powered. This post will walk you through the basics about different power types, and help you understand the pros and cons between those!
What is Power Type? What Does It Do?
Power type (or power system) is what makes your airsoft gun shoot. Instead of gunpowder, airsoft guns use things like batteries, gas, or CO2 to push BBs out of the barrel. That “engine” inside—whether it’s electric, gas-based, or spring-loaded—is what defines how your gun performs.
Why it matters when choosing a gun
Because it changes everything. The power system affects in many ways, like:
How your gun shoots
How often you’ll need to maintain it
How it performs in different weather
How much you’ll end up spending
Pick the wrong one, and you might regret it fast—either because it’s too much hassle, too unreliable, or just doesn’t fit how you like to play.
4 Common Power Types in Airsoft
1. Gas Blow Back (GBB)
GBB guns use green gas stored in the magazine to fire and cycle the slide, giving a realistic recoil effect. They feel great to shoot and are super satisfying, but they need regular maintenance and don’t perform well in cold weather. Great for players who want realism and don’t mind a bit more upkeep.
2. Electric (AEG)
AEGs run on rechargeable batteries and are the most beginner-friendly option. They’re reliable, easy to maintain, and work well in any weather. Most fields, rentals, and starter kits are AEG-based for a reason—they just work.
3. CO2
CO2 guns use compressed gas cartridges to shoot. They offer strong recoil and perform well even in cold weather. However, the high pressure puts more stress on internal parts, which can lead to faster wear. They're more powerful, but also a bit rougher on the gun.
4. Spring
Spring guns use a simple, old-school system—you pull back the spring to load each shot by hand. It’s a more vintage, no-fuss setup that doesn’t need gas or batteries. They’re cheap and easy to care for, but slow to shoot, so they’re not ideal for fast-paced games. Still, they work fine for sniping or casual use.
Comparing These 4 Common Power Types
Power Type | Pros | Cons |
GBB |
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CO2 |
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AEG |
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Spring |
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Which Power Type Is the Best for Airsoft?
Actually, there’s no single “best” power type at all — it all depends on what kind of player you are. What do you want and which gun you use.
But mostly we would suggest you to pick by situation, like:
1. Just starting out
⇒ Go with an AEG. It’s easy to use, works in all conditions, and doesn’t need much upkeep.
2. Love realism and recoil
⇒ Try GBB. It feels great to shoot but needs more care, especially in cold weather.
3. Playing in colder temps or want stronger kick
⇒ CO2 might be for you—just know it’s a bit tougher on the gun.
4. On a budget or like sniping
⇒ A spring gun could work if you don’t mind the slower pace.
5. Want low-maintenance
⇒ AEG or spring guns are easier to manage and don’t need refills like gas types do.
6. Playing indoors (CQB)
⇒ AEGs or gas pistols are great—compact, fast, and perfect for close-quarters.
7. Interested in realism
⇒ GBB pistols or rifles give you that satisfying recoil and real-steel feel.
Conclusion
To be honest, it’s all about what feels right for you. Some players love the kick of gas, others just want something easy that works every time. There’s no pressure to pick the “perfect” power type—just one that fits how you like to play! Try stuff out, have fun, and you’ll figure out what works best along the way.
