Rock Island Armory STK100 9mm 4.5in 10-Round Pistol

About this product

The Rock Island Armory STK100 is a striker-fired, semi-automatic pistol chambered in 9mm Luger with a 4.5 inch barrel. It pairs an aluminum frame and textured aluminum grips with a black anodized finish and a slide prepared for optics. The pistol ships with a 10-round magazine and features fixed sights for straightforward sighting at the range or in practical use. Its configuration suits range work, duty-style use, and general-purpose/home applications where a compact, dependable semi-automatic pistol is appropriate.

Key Specifications

• Chambered for 9mm Luger.
• The action is Semi-Auto.
• The barrel measures 4.5 inches.
• The magazine capacity is 10 rounds.
• Includes 1 magazine.
• The frame material is aluminum.
• The grip material is aluminum.
• The finish is anodized black.
• The sighting system is fixed sights.
• The unloaded weight is 28.8 ounces.

Designed for shooters who value straightforward function and honest features, the STK100 provides an optic-ready slide on a lightweight aluminum frame and a practical 4.5″ barrel for balanced handling and controllable recoil. Whether you prioritize predictable range performance or a compact platform for everyday practical use, this Rock Island Armory pistol offers a clear, no-nonsense configuration built around common components and serviceable ergonomics.

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