Rock Island Armory Rock Ultra FS .45 ACP 5 in. Pistol

The Armscor/Rock Island Armory Rock Ultra FS is a full-size semi-automatic pistol chambered in .45 ACP. It features a 5-inch button-rifled barrel, steel construction, black Parkerized finish, and G10 grips for a durable range and training platform.

The pistol uses a traditional Series 70-style design with a full-length guide rod, ambidextrous safety, skeletonized hammer and trigger, and an extended beavertail grip safety. Its sighting system combines a dovetail fiber-optic front sight with an LPA-style adjustable rear sight.

Key Specifications

• The caliber is .45 ACP for compatibility with standard .45 ACP ammunition.
• The barrel measures 5 inches and uses a button-rifled design.
• The operating system is semi-automatic with a single-action trigger.
• The frame and slide use steel construction.
• The finish is black Parkerized for a matte appearance.
• The grips are made from G10.
• The sight configuration includes a fiber-optic front sight and adjustable rear sight.
• The safety system includes an ambidextrous thumb safety and beavertail grip safety.
• The pistol has a full-size configuration.
• The package includes one magazine.

With its steel frame, full-size configuration, durable finish, adjustable sights, and practical control layout, the Rock Ultra FS offers a well-equipped .45 ACP platform for structured practice and range use.

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