The Rock Island Armory M1911 Ultra Match pistol in .40 S&W with a 16-round capacity (brand part no. 51738) brings a high-capacity double-stack magazine to the classic 1911 platform, giving shooters modern round count with familiar 1911 ergonomics. Armscor/Rock Island Armory sizes the barrel at 5 inches, and a fiber optic front sight pairs with an LPA MPS1 adjustable rear sight for precise, repeatable aim. Among high-capacity 1911-pattern semi-auto handguns, this M1911 Ultra Match configuration favors shooters who want 1911 controls with modern magazine capacity.

Key Specifications

• Chambered in .40 S&W.
• Capacity of 16 rounds.
• The barrel measures 5 inches.
• The sights are a fiber optic front and an LPA MPS1 adjustable rear.
• The action is semi-auto, following the classic 1911 trigger and controls.
• Ships with one magazine.
• Shipping weight of approximately 4.4 pounds.
• Overall length measures 12.95 inches.
• The grips are checkered hardwood, matching the Ultra Match’s target-grade fit and finish.

Frequently Asked Questions

How does the capacity compare to a standard 1911? At 16 rounds, it far exceeds the 7-8 round capacity of a traditional single-stack 1911.

Is the rear sight adjustable? Yes, the LPA MPS1 rear sight is adjustable to dial in point of impact.

Buy the Rock Island M1911 Ultra Match Pistol

A high-capacity double-stack magazine on the classic 1911 platform is exactly what this Rock Island Armory M1911 Ultra Match Pistol delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.