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STI DUTY ONE 5.0 .40 S&W Matte Blue Tactical Rail 1911 Pistol

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Frame with Integral Tactical Rail, Undercut Trigger Guard, Bushing Barrel, Classic Flat Top Slide, G10 Grips

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We do not accept personal checks and no longer offer lay-a-way simply because we want to process your order and ship immediately. CA residents add $10 for DOJ acceptance paperwork. Please feel free to contact us with any questions.

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STI Duty One 5.0 .40 S&W with Tactical Rail and Bushing Barrel


The Duty One pistol is built on STI's government size frame with integral tactical rail and grid texture on the front strap. The tactical rail milled into the dust cover of the frame accepts all industry standard light mounts. The safety controls are STI International extended tactical thumb safety and STI International high rise beavertail grip safety. The slide features include lowered and flared ejection port, fixed rear sight and front and rear cocking serrations. The barrel is a 5.0" fully supported STI International ramped bull barrel. The Duty One comes standard with a STI RecoilMaster guide rod system, commander style hammer and patented STI International trigger system.

Caliber: .40 S&W
Frame: STI 1911 Frame with Integral Tactical Rail, Grid Front Strap, Undercut Trigger Guard
Grips: STI G10 Grip Panels
Slide: Classic, Flat Top with STI Front and Rear Grid Cocking Serrations
Trigger: STI Long Curved Trigger
Barrel: 5.11" STI Bull barrel, Ramped, Fully Supported
Safeties: STI High-Ride Beavertail Grip Safety, Tactical Thumb Safety (Blued)
Guide Rod: STI RecoilMaster
Sights: STI Ramped Front, T.A.S. Rear (Tactical Adjustable Sight)
Overall Length: 8.5"
Weight: 37.2 oz (1054.60g)
Finish: Blued Matte Finish

Manufacturer STI International
Caliber 40 S&W
Magazine Capacity 8
Stock G9
Barrel Length 5"
Overall Length 8.5"

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Shipping Policy

 All items are shipped at the flat rate listed in the item description except for long guns to Hawaii and Alaska, provide a zip code for a shipping quote to these states.  Oak Hill Ventures, LLC does not ship internationally, nor will we ship a firearm to any address other than the one listed on your dealer’s FFL license which we will verify prior to shipping. 

Handguns and accessories ship USPS Priority and long guns ship UPS Ground.

All orders placed before 1:00 p.m. EST are processed within 24 hours and will typically ship in 1-2 days.

You will receive email confirmation upon receiving your order, payment and the FFL license from your dealer.  You will be provided with tracking info when the item is shipped.  Your name and phone number will be included on item, but it is your responsibility to complete the transfer and take possession of the firearm.  Each item will be inspected and serial number verified prior to shipping. 

Oak Hill Ventures, LLC is registered with the state of California and will process the transfer forms required by CA DOJ for $10 per firearm.  CA dealers must provide their CFD # printed on their FFL.  

California has a search engine to verify legal handguns http://certguns.doj.ca.gov/

FAQ – Frequently Asked Questions

Q:  Can you ship a firearm directly to my residence?

A:  No, all firearms must be shipped to a FFL (Federal Firearms Licensed) dealer for transfer to you.  The shipping price is listing in the description for each item.

 Q:  How do I find a FFL dealer?

 A:  Click on "FFL Finder" at the bottom of this page, enter your zip code to see a list of dealers who will accept shipment of the firearm and transfer it to you.

Returns policy


Returns are accepted only with prior approval, must be new, unused in the package and are subject to 10% restocking fee.  Refunds will be processed upon receipt of the returned merchandise in the same method as payment. Shipping is not refundable.  Product warranty is handled by the manufacturer.