The STI Duty One is a semi-auto .177/4.5mm steel or copper bb pistol which uses a 12g CO2 cylinder. The pistol comes with a 20 shot magazine and should get 50-60 shots out of a single CO2 canister.
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| Gun Caliber: | 4.5 mm (.177 cal) |
| Ammo Type: | Steel BB |
| Gun Action: | Semi-Automatic |
| Front Sight: | Blade |
| FPS: | 350 to 400 |
| Gun Material: | Metal & Polymer |
| Rear Sight: | Adjustable |
| Power Source: | Co2 |
| Body Type: | 1911 |
| Barrel Length: | 11.6 cm (4.55 inch) |
| Rail Type: | Weaver |
| Gun Blowback: | Non-Blowback |
| Trigger Action: | Double/Single |
| Magazine Capacity: | 20 |
| Safety: | Manual |
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