6mm GBB Pistol Magazine
GBB Pistol Magazines – Realistic blowback and smooth performance
A GBB pistol magazine is the beating heart of your airsoft sidearm. Whether you play with a Glock, Beretta, Hi-Capa or 1911, the right magazine determines whether you can keep firing smoothly or have to deal with jams. These magazines are filled with green gas, allowing you to enjoy realistic blowback, consistent feeding and smooth cycling with every pull of the trigger.
At Airsoft-Legends, you will find a wide range of GBB magazines from top brands such as Glock, Tokyo Marui, KJ Works, Beretta, Umarex and G&G – each tested for reliability, fit and durability.
Why choose GBB pistol magazines from Airsoft-Legends
A good GBB magazine not only delivers gas, but also confidence. Thanks to their optimised valve construction and durable build, they ensure smooth gas delivery, consistent blowback and reliable performance during both short CQB sessions and long milsim days.
These magazines perform optimally at higher temperatures and are easy to maintain with silicone oil or maintenance kits. Combine your GBB mags with green gas for maximum reliability, or use a speed loader for lightning-fast reloads.
This keeps your sidearm smooth, efficient and ready for action, shot after shot.
What you'll find in this category
The GBB pistol magazines in this category have been carefully selected for top performance, durability and compatibility.
- GBB magazines for pistols – suitable for Glock, Hi-Capa, Beretta, 1911 and more.
- Capacities from standard to extended – tailored to your mission or playing style.
- Sturdy construction – resistant to blowback systems and intensive reloads.
- Compatible with top brands such as WE Airsoft, Umarex, Tokyo Marui, KJW, G&G and Beretta.
Whether you choose compact, extended or high-performance models – each magazine is designed for realism, power and reliability.
Who it's for
GBB pistol magazines are ideal for airsofters who want an authentic, responsive experience with every shot.
They are perfect for:
- CQB players who require speed, flexibility and reliability.
- Milsim participants who use their sidearm as backup during long missions.
- Airsofters who prefer realistic blowback and gas-powered precision.
- Beginners who want to expand their loadout with high-quality extra magazines.
With a good GBB magazine, you can be sure that your sidearm will always perform – without jams or gas loss.
Frequently asked questions about GBB pistol magazines
Are GBB pistol magazines interchangeable between brands?
No, most GBB magazines are brand or model specific. Always check compatibility with your replica.
How many BBs fit in a GBB pistol magazine on average?
On average between 20 and 40 BBs, depending on the type of magazine. Extended versions often offer extra capacity.
Do I need to maintain my GBB magazines?
Yes, regular maintenance is essential. Use silicone oil on the O-rings to prevent leaks and wear. Many brands of gas already contain a silicone additive.
What is the difference between GBB and CO2 variants?
GBB magazines use green gas and deliver a smooth, realistic shot. CO2 magazines are more powerful and perform better in cold weather.
Buying guide: How to choose the right GBB pistol magazine
- Check compatibility: choose a magazine that fits your brand and model.
- Determine your playing style: standard for balance, extended for longer sessions.
- Maintain regularly: use silicone oil for optimal lifespan.
- Use the right gas: high-quality green gas ensures consistent performance.
With a GBB pistol magazine from Airsoft-Legends, you'll enjoy smooth operation, powerful blowback and maximum precision with every shot.
For optimal performance, combine your magazines with green gas, speed loaders and pouches – so you're always ready for action.
For smooth operation, realistic blowback and precision – choose a GBB pistol magazine that delivers top performance in every situation.

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