The OA 2311 Pro is a full-size ported 9x19mm pistol from OA Defense designed for duty use and high-round-count range work. It features a cut and contoured, lightened slide with integral porting and an enhanced trigger treatment for improved follow-up shot control. The kit configuration includes multiple magazines, interchangeable slide plates for common optic footprints, tritium night sights, and a custom range bag.
Key Specifications
- The barrel measures 5″ and is ported to reduce muzzle rise during rapid fire.
- The caliber is 9x19mm.
- The frame is constructed from 7075 Aluminum for a durable metal-frame platform.
- The action is Semi-Auto.
- The finish is a High Desert treatment with a sage grip module.
- The sights are Night Fision tritium night sights with multiple height options for optic plates.
- The trigger is tuned to 3.5–4.0 lbs for a reduced and consistent pull weight.
- The unloaded weight is 28 oz for a full-size service-oriented pistol.
- The kit ships with three 21‑round and two 17‑round magazines to cover a range of capacity needs.
- The slide is optic-ready and includes slide plates for RMR, DPP and RMSc footprints.
Purpose-built for users who value function-first design, the OA 2311 Pro pairs a controllable ported 5″ barrel and a lightened slide with practical kit components for a complete out-of-the-box solution. Its metal-frame construction and refined trigger make it well suited for duty, competition, and extended range sessions where consistent performance and accessory flexibility matter.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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