Rock Island Armory Ultra 10mm 5" 16-Round 1911 Pistol

The Rock Island Armory Ultra 10mm 5" 16-Round 1911 Pistol by Armscor delivers proven 1911 architecture in a full-power defensive caliber built for shooters who demand stopping power and reliability. Chambered in 10mm Auto, this platform serves law enforcement, military personnel, and serious civilian operators requiring a high-capacity duty or backup pistol with genuine stopping authority. The 1911 design—refined through over a century of battlefield and law enforcement service—remains the standard for single-action trigger control and ergonomic point-shooting, making this Armscor offering an accessible entry point for shooters upgrading to a larger caliber.

The 5-inch barrel configuration balances velocity retention and handling in a compact frame, while the 16-round capacity exceeds typical 1911 magazine counts, providing substantial ammunition reserves for extended engagement or duty cycles. The all-steel construction—standard for Armscor's Ultra line—ensures durability under sustained firing and maintains tight lockup tolerances critical to 10mm's higher pressures and recoil impulses. The single-action trigger geometry and manual safety design are inherent to the 1911 platform, delivering the crisp, consistent break and positive control that make follow-up shots and accuracy in high-stress scenarios achievable. At 4.25 lbs unloaded, this pistol sits in the medium range for steel-framed 1911s, providing sufficient weight to manage recoil without sacrificing carry practicality.

This pistol benefits anyone seeking a 10mm 1911 for duty, home defense, or field use where power and capacity matter equally. The all-steel frame and conventional 1911 safety and grip configuration make it compatible with standard 1911 holsters, magazines, and aftermarket components—a significant advantage for operators with established 1911 platforms or institutional inventory. Shooters transitioning from smaller-caliber pistols will find the recoil impulse manageable thanks to established 1911 ergonomics and the mass of the all-steel construction, while the 16-round magazine provides tactical flexibility absent from conventional single-stack designs.