Armscor/Rock Island Armory Rock Ultra FS 10mm

The Armscor/Rock Island Armory Rock Ultra FS is a full-size 1911-pattern semi-automatic pistol chambered in 10mm. Built for range use, duty-style applications, and training, the Rock Ultra FS pairs traditional 70-series 1911 design with upgraded features for modern carry and service use.

The pistol is constructed on a steel frame with a Black Parkerized finish and includes G10 tactical grips. Mechanical features include a 5" button-rifled barrel supported by a full-length guide rod, a skeletonized hammer and trigger, a beavertail frame, and a serrated slide for improved manipulation.

Key Specifications

• The action is Semi-Auto.
• The caliber is 10mm.
• The barrel length is 5 inches.
• The magazine capacity is 8 rounds.
• The frame material is Steel.
• The finish is Black Parkerized.
• The grip material is G10.
• The sights are Adjustable rear sight with a fiber optic front sight.
• The safety is Ambidextrous.
• The pistol includes one 8-round magazine.

This firearm is not available for direct shipment to California.

The Rock Ultra FS combines classic 1911 ergonomics with tactical upgrades such as an extended beavertail, full-length guide rod, and low-profile adjustable sights. For buyers seeking a full-size 10mm 1911, the Armscor/Rock Island Armory Rock Ultra FS offers durable construction and feature-rich specification. Buy the Armscor/Rock Island Armory Rock Ultra FS 10mm pistol online today for range, training, or duty use.