The ASG STI DUTY ONE MS Blowback 4.5 mm is a semi-automatic CO₂ air pistol with realistic blowback action, fully licensed by STI International. A faithful replica of the real Duty One, it offers a realistic feel and solid construction thanks to its metal slide and high-quality synthetic frame.
- Caliber: 4.5 mm (.177) BBs
- Power source: 12 g CO₂
- Blowback: Slide cycles with every shot
- Magazine: 20 rounds (item no. 16731)
- Metal internal parts: Valve, barrel, trigger, etc.
- Length: 220 mm
- Barrel length: 115.5 mm
- Weight: 825 g
- Muzzle velocity: 117 m/s (383 fps)
- Energy: 2.2–2.6 Joules
- Hop-Up: No
Ideal for training and collectors looking for a realistic shooting experience.
- Mechanism
- Carbon Dioxide (CO2) Capsules
- Caliber
- 4.5 mm
- Trigger (Trigger Action)
- -
- Frame
- Metallic
- Bullet type
- BBs
- Magazine Capacity
- 12 rounds
- Blowback
- Yes
- Weight
- -
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.