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STI Duty One | .45 ACP, .40S&W, and 9×19 Pistols

The STI Duty One pistol lineup has been expanded and given customer-suggested changes.

The Duty One has long been a great seller for STI but in 2013 they took the opportunity to incorporate Customer suggested changes into the model before expanding the line to include the 3” & 4” versions.

“The new Duty one line is a unique evolution,” said STI’s President and CEO Tim Dillon. “We went out and redesigned our light railed guns to surpass the design and quality of any railed 1911 style on the market today.”

Changes include new ‘grid’ serrations and matching front strap which are as stylish as they are functional, abbreviated front cocking serrations, a redesigned tactical rail, smaller engravings, and new G10 mycarta grips. All 3 versions are built on forged steel, standard width frames with STI’s innovative new picitany rail system.

Flat checkered mainspring housings provide an excellent hold and the controls are STI International’s singled sided thumb safeties and STI International high-rise beavertail grip safeties.

The pistol features include traditional 1911 styling with lowered and flared ejection port, STI TAS adjustable low-snag rear sight and the STI ramped front for an easy sight picture. The barrels are either a 5.01” or 4.26” fully supported STI International ramped barrel with match grade bushing or, in the case of the Duty One 3.0, a 3.24” bull barrel. All Duty One pistols come standard with STI International commander style hammers and patented STI International trigger systems.

The Duty One family is offered exclusively in traditional matte blue finishes. Grip panels are STI’s distinctive black G-10 mycarta. The Duty One series pistols are available in .45 ACP, .40S&W, and 9×19. STIguns.com

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