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

The OA 2311 Pro is a full-size, ported 9mm pistol designed for duty use and high-round-count range sessions. It combines a 5-inch ported barrel and an optic-ready, cut-and-contoured slide with an enhanced Pro trigger for improved follow-up shot speed and control. The pistol ships as a kit with multiple magazines, optic mounting plates, night sights and range accessories to support a variety of duty and training setups.

Key Specifications

• The caliber is 9mm (9×19).
• The barrel measures 5 inches.
• The action is Single Action.
• The model designation is 2311.
• The frame is made from 7075 aluminum.
• The grip is a gray modular polymer.
• The slide features lightening cut, optic cut and serrations.
• The barrel type is ported.
• The pistol includes Night Fision tritium night sights.
• The kit includes five magazines (three 21-round and two 17-round).

Built for consistent performance under heavy use, the OA 2311 Pro pairs an optics-ready platform with porting and an enhanced trigger to reduce muzzle rise and improve follow-up speed. The modular grip, multiple magazine capacities in the kit, and included optic plates make it adaptable for duty, competition, or extensive training days.

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