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Asg CO2 Air Pistol Sti Duty One Ms Blowback Metal 4.5mm
Air Pistols

Asg CO2 Air Pistol Sti Duty One Ms Blowback Metal 4.5mm

The ASG STI DUTY ONE MS Blowback 4.5 mm is a semi-automatic CO air pistol with realistic blowback action, fully licensed by STI International. A faithful replica of the real Duty One, it offers a...

The ASG STI DUTY ONE MS Blowback 4.5 mm is a semi-automatic CO 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 CO
  • Blowback: Slide...
See Description & Specifications See Description & Specifications

Top specs

  • Movement

    Carbon Dioxide (CO2) Capsules

    The CO₂ cartridge is a small, single-use metal cylinder filled with compressed carbon dioxide (CO₂).


    It is placed in the gun as a power source for propelling the pellets (or for greater realism with Blowback).
  • Caliber 4.5 mm
  • Magazine 12 rounds

  • Type of Pellet

    BBs

    BBs are spherical projectiles, usually small balls used in airsoft pistols/rifles (6 mm) and in certain BB-gun type airguns (.177 / 4.5 mm).
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Product report

Description & Specifications

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.

Manufacturer

Manufacturer Details

Warnings & Safety Information
Mechanism
Carbon Dioxide (CO2) Capsules

Mechanism

Carbon Dioxide (CO2) Capsules

The CO₂ cartridge is a small, single-use metal cylinder filled with compressed carbon dioxide (CO₂).


It is placed in the gun as a power source for propelling the pellets (or for greater realism with Blowback).
Caliber
4.5 mm
Trigger (Trigger Action)
-
Frame
Metallic
Bullet type
BBs

Bullet type

BBs
BBs are spherical projectiles, usually small balls used in airsoft pistols/rifles (6 mm) and in certain BB-gun type airguns (.177 / 4.5 mm).
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.