ASG CO2 4.5MM STI DUTY ONE
ASG CO2 4.5MM STI DUTY ONE is backordered and will ship as soon as it is back in stock.
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IF YOU ARE NOT COMPLETELY SATISFIED WITH YOUR PURCHASE, WE WILL PROVIDE A CREDIT OR EXCHANGE THE ITEM WITHIN 30 DAYS OF PURCHASE.* WHETHER YOU MADE YOUR PURCHASE ONLINE OR AT CENTRE RÉCRÉATIF D’ARMES À FEU DE MONTRÉAL, YOU MAY EXCHANGE IT BY MAIL OR AT CRAFM.
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ASG CO2 4.5MM STI DUTY ONE
ASG STI Duty One CO₂ BB Airgun – Black (4.5mm)
The STI Duty One is a fully licensed CO₂-powered airgun based on the iconic 1911 platform, enhanced by STI® International (Texas, USA) for modern tactical use. This non-blowback version offers semi-automatic shooting with 4.5mm (.177) steel BBs, powered by a 12g CO₂ cartridge cleverly housed in the grip using an easy-load system.
Built with a high-strength polymer frame and a heavy-duty metal slide, it features authentic STI® markings, a threaded barrel for a mock suppressor, and a tactical accessory rail for mounting a flashlight or laser (not included). The STI-logoed grip with extended beavertail ensures a secure and comfortable hold. Each airgun comes with a unique serial number for added authenticity.
Key Features:
- Caliber: 4.5mm (.177) steel BB
- Action: Semi-automatic, non-blowback
- Power Source: 12g CO₂ cartridge
- Material: Polymer frame with metal slide
- Threaded barrel (compatible with mock suppressor)
- Tactical accessory rail (light/laser-ready)
- Licensed STI® trademarks and serial number
- Ergonomic grip with high-rise beavertail
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Firearm Action TypeSemi-Automatic
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