OA Defense 2311 Pro 9mm 5″ Ported Full-Size Pistol

The OA 2311 Pro is a full-size, ported service-style pistol engineered for duty use and high-round-count range days. It features a cut and contoured slide with optic-ready cutouts, a ported 5″ barrel, enhanced trigger, fully ambidextrous controls, and a modular grip with an integrated magwell. The package includes multiple magazines, interchangeable slide plates for several optic footprints, a range bag and safety lock. The finish and modular components are intended to support sustained use and adaptability in practical contexts.

Key Specifications

• The manufacturer is OA Defense.
• The model is 2311 Pro.
• The caliber is 9mm.
• The barrel measures 5 inches and is ported.
• The action is Single Action.
• The safety is Ambidextrous.
• The sights are Night Sights.
• The slide is described as Lightening Cut / Optic Cut / Serrated.
• The frame finish is High Desert with a Black Modular grip.
• Included accessories are three 21rd and two 17rd magazines, a range bag, safety lock, and four slide plates (RMR, DPP & RMSc footprints).

Built as a robust, optics-ready full-size pistol, the OA 2311 Pro emphasizes modularity and sustained performance for shooters who need a dependable platform for extended use. Its ported barrel and attention to ergonomics make it a practical choice for those who prioritize accuracy, control, and adaptability in a service-style handgun.

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