Selected Handgun Detail

STI International
Model Guardian
STI International Pistol Guardian .45 Auto Variant-1
Scale To:
Gun Dimensions Width:No Data
Length:7.5-in Height:No Data
Barrel:3.9-in Weight:32.4-oz
1 Variant
Gun Rankings
  • Power Factor (230 grain bullet)184690
  • Recoil Factor (230 grain bullet)7.47 ft-lb
  • Total Capacity7 rounds
  • ConcealabilityFair
  • Defense Factor76%
Gun Specifications
Type:Pistol
Caliber:.45 Auto
Action:recoil operated semi-automatic
Trigger:single-action (SA)
Safety:grip safety, manual thumb safety
Magazine:6-round
Frame:steel
Grip:checkered cocobolo
Sights:white 3-dot tactical sights
Notes:
Manufacturer
STI International
More Info
About the Gun

The Guardian is a steel, officer length, standard width 1911 style frame with undercut trigger guard. The grip includes a checkered mainspring housing and the controls are a single sided thumb safety and high-rise beavertail grip safety. The slide features traditional 1911 styling with rear cocking serrations, and the barrel is fully supported and ramped. The Guardian comes standard with adjustable "Novak" style 3-dot sights, a stainless steel slide with polished sides and a blued frame.

Production

Production of this specific model with the described features began in 2011 and continued through 2019. These dates reflect the period when this configuration was actively manufactured, though availability may vary based on market and distributor stock.

Market value
Last updated: 7/3/2025

The MSRP for a new firearm with these specifications is approximately $1,399. The current market value for a used one in 95% condition is around $1,000 to $1,100, depending on local demand and availability.

Cartridge Specifications
Cartridge: .45 Automatic
Alias: .45 Automatic Colt Pistol (ACP)
More Info
Ballistics for This Gun
Selected Bullet Mass:230 grains
MV:803 ft/sec ME:329 ft-lbs
Analysis

This .45 Auto pistol offers a compelling package for shooters seeking a compact, carry-oriented firearm. Its accuracy is noteworthy, delivering tight groupings at typical defensive ranges, thanks to a well-engineered barrel and slide fit. Ergonomically, the design caters to a wide range of hand sizes with a textured grip that ensures a secure hold under stress. Reliability is a strong point, with consistent performance across various ammunition types during extended testing. The trigger pull is crisp, averaging around 4.5 pounds, which aids in precise shot placement. Felt recoil, while noticeable due to the .45 caliber in a lighter frame, remains manageable for experienced users. On the downside, maintenance can be somewhat involved, requiring attention to detail for proper care. Additionally, sourcing replacement parts may pose challenges, and the compact size might not suit shooters with larger hands seeking a full-size grip.

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