STI Duty One 4

By - Last updated: Thursday, January 31, 2013 - Save & Share - One Comment

STI Duty One 4 left

Users’ Rating (Click a star to rate this gun.)

GD Star Rating
loading...

Summary: The description, specs, photo, pricing and user ratings for STI’s Duty One 4 pistol.

Manufacturer’s Description

STI‘s Duty One 4 single-stack 1911 pistol is built on a forged steel, standard-width frame with a tactical rail and chambered in 9mm, .40 SW or .45 ACP. STI milled the picatinny rail into the dust cover, and it accepts all industry standard light mounts.STI Duty One 4 left

Other features include:

  • A 4.26” fully supported STI ramped barrel with a match-grade bushing;
  • an STI International single-side thumb safety;
  • an STI International high-rise beavertail grip safety;
  • a flat, checkered mainspring housing;
  • an STI TAS (i.e., tactical adjustable sight) low-snag rear sight;
  • an STI ramp front sight;
  • abbreviated front serrations and grid rear serrations on the slide;
  • grid serrations on the front strap;
  • a lowered and flared ejection port;
  • a STI RecoilMaster guide rod system
  • a commander-style hammer
  • the patented STI International trigger system.
  • G10 mycarta grips; and
  • a matte blue finish.

Options include a hard chrome finish and  fixed, two-dot titanium sights.

Note: STI also offers and aluminum-framed version of this pistol, the Duty One Lt 4.0.

The Specs

Caliber Capacity BBL OAL Height Weight
9mm, .40 SW, .45 ACP n/a 4.26″ 8″ n/a 36.3 oz.


MSRP: $1,330

Shop for this item at Gander Mountain, SWVA Arms or Blue Ridge Firearms.

One thought on “STI Duty One 4

  1. Pingback: STI Obligation One Lt four.zero | JanNews Blog

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>

Notify me of followup comments via e-mail. You can also subscribe without commenting.