Rock Island M1911-A2 GI Standard 45 ACP | 5″ | 51453

The Armscor / Rock Island Armory M1911 GI Standard (MFG# 51453) is a full-size single-action 1911-style semi-automatic chambered in .45 ACP with a 5″ barrel and fixed low-profile sights. It is built on a steel frame with a parkerized finish and ships with one magazine and standard GI-style safety features. For an optic that pairs well with this handgun, consider the Vortex Venom red dot, which offers a compact footprint and is widely used under $1,000 for pistols of this class. Suitable applications for this pistol include target shooting at the range and service-style competition.

Product Specifications

• The UPC is 4806015514534.
• The manufacturer’s part number is 51453.
• The caliber is .45 ACP.
• The barrel length is 5 inches.
• The action is Semi-Auto.
• The finish is Parkerized.
• The frame material is Steel.
• The sights are Fixed low-profile.
• The product includes one magazine.
• The pistol features a beavertail grip safety.
• The slide is described as serrated.
• The pistol is reported as not drilled and tapped for optics by the manufacturer data.
• The finish color is Black Parkerized.
• Additional features include GI-style trigger, GI hammer and beveled magazine well.

This M1911 delivers the traditional 1911 silhouette and manual-of-arms familiar to experienced shooters, with durable parkerized surfaces and a service-style control layout. Its fixed sights and steel construction make it a straightforward option for range work and service-style pistol matches. The controls and ergonomics follow the GI pattern, providing predictable handling and a classic feel.

Users commonly praise the model for its crisp factory 4–6 lb trigger and for having a durable parkerized finish and reliable operation in typical use.