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STI International
Model USPSA Double Stack
STI International Pistol USPSA Double Stack .40 S&W Variant-1
Scale To:
Gun Dimensions Width:No Data
Length:8.5-in Height:5.5-in
Barrel:5-in Weight:38.5-oz
1 Variant
Gun Rankings
  • Power Factor (180 grain bullet)189180
  • Recoil Factor (180 grain bullet)6.37 ft-lb
  • Total Capacity15 rounds
  • ConcealabilityFair
  • Defense Factor91%
Gun Specifications
Type:Pistol
Produced:2009 - 2012
Caliber:.40 S&W
Action:recoil operated semi-automatic
Trigger:single-action (SA)
Safety:grip safety, manual thumb safety
Magazine:14-round
Frame:steel
Grip:modular polymer
Sights:fiber-optic front, adjustable rear
Notes:
Manufacturer
STI International
More Info
Gun Value
MSRP:$2,818.00Used Est:$2,000.00
Last Update:2/4/2023
About the Gun

This pistol couples STI’s patented modular steel frame and polymer grip with all the most desirable accessories in a factory firearm. The controls are stainless steel ambidextrous thumb safeties and knuckle relief high-rise beavertail grip safety. The full length forged stainless steel barstock slide features STI’s unique saber tooth rear cocking serrations, custom USPSA engravings, and is Tri-topped to reduce weight and felt recoil. The barrel is a 5.0” fully ramped, fully supported bull barrel. This firearm comes standard with an STI square hammer, Recoil Master, patented STI trigger system, STI S-7 sear, and titanium strut for smooth, reliable function. The USPSA Double Stack has black inlayed engraving on the polished sides of the two toned blued/ stainless steel slide, stainless steel magwell, Dawson Fiber Optic Front Sight and an STI adjustable rear sight.

Cartridge Specifications
Cartridge: .40 Smith & Wesson
Alias: N/A
More Info
Ballistics for This Gun
Selected Bullet Mass:180 grains
MV:1051 ft/sec ME:442 ft-lbs
About the Cartridge

This cartridge was developed as a joint venture between Winchester and Smith & Wesson. It was an effort to to create a cartridge with the same power as the 10mm Norma round that the FBI had just started using, but in a shorter case. The shorter cartridge would facilitate accuracy and allow use of a smaller, more comfortable grip frame. The .40 S&W has become the cartridge of choice for many law enforcement agencies in the United States.

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