STI Tactical 4.0

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Summary: STI’s description, specs, photo and pricing for its Tactical 4.0 pistol.

Manufacturer’s Description

STI’s Tactical 4.15 model is a double-stack 1911 chambered in 9mm, .40 SW or .45 ACP. Available with a steel or aluminum frame with a polymer grip (the essential design element for high capacity), the STI Tactical delivers the added benefit of high capacity magazines without over-sizing the circumference of the grip. The STI Tactical is designed for multiple applications, ranging from police and SWAT teams requiring a firearm with a light rail and high capacity, to the individual demanding a high performance pistol with special features for personal protection. The tactical rail milled into the dust cover of the frame accepts all industry standard light mounts.

The Tactical 4.0 features:

  • a 4140 carbon steel slide with rear slide serrations;
  • an STI long curve trigger;
  • an STI square-style hammer;
  • an STI ramped front sight and an STI, Novak-style, fixed rear sight (fixed tritium night sights are an available option);
  • an STI stainless steel, fully supported, ramped bull barrel;
  • an STI RecoilMaster guide rod system;
  • an STI knuckle relief hi-ride grip safety;
  • a blued matte finish; and
  • STI ambi-thumb safeties.

The Specs

Caliber Capacity BBL OAL Height Weight
9mm 20+1 4.26″ 7.65″ 5.6″ 33.9 oz.
.40 SW 17+1 4.26″ 7.65″ 5.6″ 33.9 oz.
.45 ACP 14+1 4.26″ 7.65″ 5.6″ 33.9 oz.


MSRP: $2,018.99

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