STI Duty One Lt 3.0

By - Last updated: Wednesday, April 23, 2014 - Save & Share - One Comment

STI Duty One Lt 3 left side

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Summary: The description, specs, photo, pricing and user ratings for STI’s Duty One Lt 3.0 pistol.

Manufacturer’s Description

STI‘s Duty One Lt 3.0 single-stack 1911 pistol is built on an aerospace-grade aluminum frame with a tactical rail, and it’s 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.

The Duty One Lt 3.0 from the left.

The Duty One Lt 3.0 from the left.

Other features include:

  • A 3.24″ bull barrel;
  • an STI International single-side thumb safety;
  • an STI International high-rise beavertail grip safety;
  • a flat, checkered mainspring housing;
  • an STI fixed-ledge style rear sight;
  • an STI ramp front sight;
  • a round-top slide with abbreviated front serrations and grid rear serrations;
  • 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.
  • STI G10 grips;
  • a hard-coat anodized finish on the frame; and
  • a matte blue finish on the slide.

This pistol ships with one Officer-sized magazine.

Note: STI also offers a steel-framed version of this pistol, the Duty One 3.

The Specs

Caliber Capacity BBL OAL Height Weight
9mm 8+1 3.24″ 6.5″ n/a 25.5 oz.
.40 SW 7+1 3.24″ 6.5″ n/a 25.5 oz.
.45 ACP 6+1 3.24″ 6.5″ n/a 25.5 oz.


MSRP: $1,384

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One thought on “STI Duty One Lt 3.0

  1. Pingback: STI Duty One Lt 3.0 | Patriot Powered News

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