The Rock Island Armory STK200 Ultra in 9mm Luger is engineered as a practical and dependable handgun platform, suitable for a broad spectrum of applications from organized training to personal defense. KFF Defense assesses this pistol as a robust option for both developing and seasoned operators requiring a functional and consistent firearm.
Key Features
Caliber & Performance Optimization
Chambered in 9mm Luger, the STK200 Ultra incorporates a 4-inch barrel. This length is precisely specified to optimize projectile velocity and mitigate muzzle flash while providing a practical sight radius. The barrel’s geometry contributes directly to consistent ballistic performance, essential for repeatable accuracy during structured range sessions and critical applications. The 9mm cartridge selection provides a balance of stopping power and manageable recoil, facilitating rapid follow-up shots and extended training.
Capacity & Operational Reliability
With a standard capacity of 15+1 rounds, the STK200 Ultra provides substantial ammunition sustainment. This capacity is suitable for competitive shooting, comprehensive training protocols, and personal defense scenarios where ammunition availability is a crucial factor. The pistol’s design prioritizes straightforward operational mechanics and consistent feeding, minimizing potential malfunctions and enhancing user confidence. Its full-size frame is designed for a secure and consistent grip, promoting intuitive handling.
Construction & Finish
The STK200 Ultra features a durable black finish, providing enhanced corrosion resistance and a low-visibility profile. Component construction is optimized for resilience, reflecting Rock Island Armory’s commitment to producing functional and robust firearms. The selection of materials and manufacturing processes aims to ensure long-term operational integrity under varied environmental conditions.
Maintenance & Integration
Adherence to a rigorous maintenance schedule with high-quality cleaning solvents and lubricants is critical to preserving the STK200 Ultra’s long-term operational reliability and component longevity. For optimal utility, KFF Defense recommends integrating this pistol with duty-grade holsters and verified OEM or premium aftermarket magazines to ensure consistent performance and secure carry.
Technical Specifications
- Caliber: 9mm Luger
- Barrel Length: 4 inches
- Capacity: 15+1 rounds
- Finish: Black
- Action: Semi-Automatic
- SKU: RSR|ARM56621
The Rock Island Armory STK200 Ultra delivers a direct, uncompromised approach to a full-size 9mm pistol, configured for consistent utility and dependable operation across various demanding applications.









