The Rock Island Armory Rock Ultra FS is a full-size 1911-pattern pistol chambered in 10mm. It is built on a steel frame with a parkerized finish and fitted with G10 tactical grips. The design includes a full-length guide rod, skeletonized hammer and trigger, and an ambidextrous safety for practical operation.
Key Specifications
- The pistol is chambered in 10mm Auto.
- The barrel measures 5 inches and is button-rifled.
- The action is Semi-Auto.
- The frame is constructed from steel with a parkerized finish.
- The grips are G10 tactical panels.
- Sights include a fiber optic front and an adjustable rear sight.
- Includes one magazine.
- The pistol uses a full-length guide rod.
- Other features include a skeletonized hammer and trigger and an ambidextrous safety.
- The listed unloaded weight is approximately 40 ounces.
Built to the Rock series specification, the Rock Ultra FS pairs traditional 1911 geometry with upgraded hardware and sighting for range use, duty-style applications, or precision work where a 10mm platform is preferred. Its heavy steel construction and full-length guide rod provide a stable shooting platform while the adjustable rear and fiber-optic front sights support quick, repeatable sighting.
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.




