RIA TAC ULTRA FS AOS | .45 ACP | 5in | 8+1 | 57166AOS

The Armscor / Rock Island Armory RIA TAC ULTRA FS AOS is a semi-automatic, single-action pistol chambered in .45 ACP with a 5-inch barrel and an 8+1 capacity. It ships with a steel frame, G10 grips, a black Parkerized finish, an optic-ready slide, a beavertail grip safety, and an accessory rail. A compact red-dot optic such as the Trijicon RMR would pair well with the optic-ready slide and remains comfortably under $1000. Typical applications include everyday carry for full-size .45 users and precision target shooting or range practice.

Product Specifications

• The model is RIA TAC ULTRA FS AOS (57166AOS).
• The caliber is .45 ACP.
• The barrel measures 5 inches.
• The overall length is 8.74 inches.
• The capacity is 8 + 1.
• The package includes 1 8 rd. magazine as listed.
• The action is Single Action.
• The frame is Steel Frame.
• The grip type is G10 Grips.
• The finish is Black Parkerized.
• The sights are Fixed (fixed sights).
• Additional features include an Optic-Ready Slide, a Beavertail Grip Safety, and an Accessory Rail.
• The rate of twist is listed as 1-in-16.
• The UPC is 850071011043.

The TAC ULTRA FS AOS combines single-action operation with modern ergonomics and practical features such as an optic-ready slide, beavertail grip safety, and an accessory rail, making it a straightforward choice for shooters looking for a robust .45 ACP pistol suitable for full-size carry and target work.

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