OA Defense 2311 Pro Full-Size 9mm 5-inch Ported

Description

The OA 2311 Pro is a full-size, ported 9mm pistol purpose-built for duty use and extended range sessions. Its 5-inch ported barrel and lightened, optics-ready slide are configured to support fast follow-up shots and controllability in high-round-count environments. The pistol ships as a kit with multiple magazines, interchangeable slide plates for common optic footprints, night sights and a High Desert Sage finish.

Key Specifications

• The caliber is 9mm (9×19).
• The barrel measures 5 inches and features integral porting to reduce muzzle rise with minimal sight obstruction.
• The action is Single Action.
• The frame is constructed from 7075 aluminum finished in High Desert Cerakote.
• The grip is a sage polymer modular unit with progressive texturing.
• The slide is lightened, optic-ready, and serrated to accept multiple optic plates.
• Sights are tritium night sights with included height variants for optic use.
• The controls are fully ambidextrous.
• Includes three 21-round and two 17-round magazines plus four slide plates for common optic footprints.
• The trigger is an enhanced 3.5–4.0 lb Pro trigger for a smoother break and improved shot-to-shot consistency.

Designed for practical, high-use applications, the OA 2311 Pro pairs durable materials and thoughtful ergonomics with optics-ready versatility and a kit that supports immediate use out of the box. Its combination of a ported 5-inch barrel, enhanced trigger, and comprehensive accessory package makes it well suited for shooters who prioritize controllability and modularity in a full-size platform.

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