The Rock Island Armory 51400 Rock Ultra delivers full-size 9mm performance with a 17-round capacity and precision 5-inch barrel. This Filipino-manufactured pistol combines traditional 1911 styling with modern reliability enhancements for competitive shooting and tactical applications.
What Makes This Different
Unlike standard compact pistols, the Rock Ultra features an extended 5-inch barrel that maximizes velocity and accuracy potential. The full-size frame accommodates a high-capacity 17-round magazine while maintaining the proven 1911 platform geometry. Rock Island Armory's manufacturing process incorporates CNC machining and heat-treated components for consistent performance across thousands of rounds.
Key Features
- 17-round magazine capacity with 9mm Luger chambering
- 5-inch match-grade barrel with 1:10 twist rate
- Forged steel frame and slide construction
- Tactical rail system for accessories mounting
- Adjustable rear sight with fiber optic front sight
- Ambidextrous safety and extended slide release
- Checkered polymer grips with ergonomic texturing
The extended barrel length provides superior ballistic performance, generating higher muzzle velocities and flatter trajectories compared to compact alternatives. Competition shooters benefit from the improved sight radius and reduced muzzle flip during rapid-fire sequences. The tactical rail accommodates standard accessories including lights and laser systems for duty or home defense applications.
Technical Specs
- Caliber: 9mm Luger
- Barrel Length: 5 inches
- Overall Length: 8.5 inches
- Height: 5.5 inches
- Weight: 40 ounces (unloaded)
- Magazine Capacity: 17 rounds
- Frame Material: Forged steel
- Finish: Parkerized
- Sights: Adjustable rear, fiber optic front
- Country of Origin: Philippines
- Limited lifetime warranty
The Rock Island 51400 Rock Ultra represents proven 1911 reliability scaled for high-capacity applications. Professional armorers recognize the platform's serviceability and parts availability. This full-size configuration maximizes the cartridge's potential while maintaining the manual of arms familiar to 1911 users.