The Armscor / Rock Island Armory STK100 is a striker-fired semi-automatic handgun chambered in 9mm with a 4.5-inch barrel. It features an aluminum frame and integrated aluminum grip for a metal feel with reduced perceived recoil. The slide and frame are finished in black and the slide is optic-ready while the sights are fixed. One magazine is included and the unloaded weight is listed at 28.8 ounces.
Key Specifications
- The caliber is 9mm.
- The action is Semi-Auto.
- The barrel measures 4.5 inches.
- The frame material is aluminum.
- The grip material is aluminum (integrated).
- The slide and frame color is black.
- The pistol is striker-fired.
- The sights are fixed.
- The slide is optic-ready.
- The package includes 1 magazine and the weight is listed as 28.8 oz.
Designed for practical use in personal protection and recreational shooting, the STK100 combines a metal frame feel with modern striker-fired ergonomics and an optic-ready slide. Its 4.5-inch barrel and aluminum construction deliver a balance of controllability and handling suitable for range use or general-purpose carry, while standard fixed sights and an included magazine make it ready for the range out of the box.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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