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Try it on the 7 m test range in our shop in Aulum, Denmark – directions and opening hours- 14-day right of withdrawal and 365-day returns
- Shop and workshop in Aulum, Denmark
Fits the STI Duty One, GBB
Parts and accessories that fit – found by My Gun.
We don’t know the connector type on this gun yet. Check whether it has a Tamiya or Deans connector before you choose a battery – or ask us.
About STI Duty One, GBB
The STI Duty One GBB is a CO2-powered blowback airsoft pistol from ASG, made under licence from STI International. The slide cycles with every shot for realistic recoil.
Calibre 6 mm. Velocity 105–122 m/s according to the manufacturer. The magazine holds 16 rounds. Weight approx. 820 g, length 220 mm.
What you need to know about the STI Duty One GBB
- Blowback: The slide moves with every shot, so it feels more like a real pistol.
- Full metal: The pistol is made of metal with STI markings and a unique serial number.
- Easy-Load: The 12 g CO2 capsule goes into the grip without tools.
- Adjustable hop-up: Lets you adjust the BB's trajectory. The manufacturer recommends 0.23–0.25 g BBs.
- Rail under the barrel: Mount a light or laser.
Who is it for?
For players who want a realistic 1911 pistol with recoil. See our other CO2 replicas.
Maintenance and safety
Always wear eye protection when shooting airsoft. Remove the CO2 capsule after use, and lightly lubricate the slide with silicone oil.
Delivery and returns
Shipping options and prices for your country are shown at checkout.
Full 14-day right of return with a money-back guarantee. Unused items in unopened packaging can be returned for up to 365 days in exchange for a gift card. Easy returns via our returns portal. Read more in our terms and conditions.
Service, repair and upgrades
Our own workshop in Aulum, Denmark services, repairs and upgrades airsoft guns and air guns – even if you bought them elsewhere. Standard service at a fixed price, upgrades charged by the hour plus parts.
See the workshop and pricesFrom Airsoftpedia
Read up before you buy
Airsoft Power Sources Explained: AEG, Gas, CO2, Spring or HPA?Guide: Choosing the Right Airsoft PistolHow to upgrade your gas or CO2 airsoft pistol
