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

The OA 2311 Pro from OA Defense is a full-size, optics-ready 9mm pistol designed for duty use and high-round-count range days. It combines a contoured, lightened slide with an integral ported 5″ barrel and a modular black grip module to support a variety of setups. The kit format includes multiple magazines, optic footprint plates, and range accessories intended to make the pistol ready for immediate setup and use.

Key Specifications

• The caliber is 9mm.
• The barrel measures 5″ and is ported.
• The slide is Lightening Cut/Optic Cut/Serrated.
• The frame is made from 7075 Aluminum.
• The grip uses a Black Modular design.
• The pistol is optics ready with multiple slide plates for common footprints.
• The sights are Night Sights (multiple heights provided for optic use).
• The action is Single Action.
• The unloaded weight is 28 oz.
• The kit includes 5 magazines.

Well-suited for service use and dedicated range sessions, the 2311 Pro balances durable construction with user-focused features such as ambidextrous controls, an extended magazine release paddle, and modular optics compatibility. The included optic plates, multiple magazines and range accessories provide flexibility for practical setups and training configurations.

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