Rock Island Pro Ultra Match 51434 | 1911 | 45 ACP | 5″

The Rock Island (Armscor) Pro Ultra Match (MFG# 51434) is a full-size 1911-pattern pistol chambered in .45 ACP with a 5-inch barrel and a black parkerized finish. It ships with checkered wood grips, a serrated slide, a beavertail grip safety and a skeletonized hammer and trigger. The sighting package pairs an LPA-type adjustable rear with a dovetail-mounted fiber-optic front for fast, precise sight acquisition.

For optics, a compact pistol red dot such as a Trijicon RMR Type 2 is a suitable choice under $1,000 and pairs well with this platform for target and competition use, offering a low-profile footprint and proven durability.

Product Specifications

• The caliber is .45 ACP.
• The barrel length is 5 inches.
• The frame material is STEEL.
• The finish is PARKERIZED.
• The grip material is WOOD (checkered).
• The sights are adjustable LPA rear and dovetail-mounted fiber-optic front.
• The action is Semi-Auto.
• The overall length is listed as 8.75 inches in several product sources.
• The weight is listed as 46.56 oz in the provided product data.
• The barrel has 6 grooves.
• The rifling twist is 1:16″.
• The trigger pull is listed as 4–6 lbs.
• The pistol includes an ambidextrous/beavertail style safety listed as Yes.
• The number of magazines included is 1.
• The UPC is 4806015514343.

The Pro Ultra Match is built to serve as a target-grade 1911 platform with features that favor accuracy and sighting speed. Its combination of a 5″ barrel, adjustable rear sight and fiber-optic front makes it well-suited to precision target work and competition stages that favor a traditional 1911 ergonomics and trigger feel. The steel frame and parkerized finish emphasize durability while the checkered wood grips and skeletonized controls preserve a classic 1911 appearance.

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