Springfield Armory 1911 Operator AOS .45 ACP 5.75″

About this product

The Springfield Armory 1911 Operator AOS is a duty-oriented 1911 platform chambered in .45 ACP, built with forged carbon steel components and a durable black Cerakote finish. It includes an Agency Optic Slide (AOS) that is optics-ready, G10 VZ grips, an ambidextrous safety, and a 5.75-inch threaded barrel to accept muzzle devices. The design pairs traditional 1911 ergonomics with modern sight and optic options for professional and recreational applications.

Key Specifications

• Chambered in .45 ACP for established centerfire performance.
• Configured as a Semi-Auto action.
• The barrel measures 5.75 inches for a balance of sight radius and handling.
• Equipped with a threaded barrel for the attachment of muzzle devices.
• Finished in Black Cerakote for corrosion resistance and a tactical appearance.
• Built with steel frame and slide construction.
• Includes G10 VZ grips for positive purchase and durability.
• Fitted with Tritium night sights for low-light visibility.
• Weighs approximately 42 oz as configured.
• Features an Agency Optic Slide (AOS) that supports common reflex optics and integrates a rear sight for co-witnessing.

With a sturdy steel construction, optics-ready slide, and practical features like G10 grips and night sights, the Operator AOS offers a workmanlike 1911 platform suited to range use, duty applications, or informed defensive-minded owners who value proven ergonomics and modern optic compatibility. The threaded barrel and optics integration provide flexibility for accessories and sighting systems, making this a capable option for shooters seeking a contemporary take on the 1911 design.

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