OA Defense | 2311 Compact Pro Plus Kit | 9mm | 4.25″

The OA 2311 Compact Pro is a compact, optics-ready pistol configured for everyday carry and precision-oriented handling. It features a contoured, lightening-cut slide and a ported barrel to reduce muzzle rise and manage recoil for faster follow-up shots. The kit includes multiple optic mounting plates and five 17-round magazines to support range use and off-hand/competitive practice. For a compatible optic under $1,000, a Holosun K-series micro red dot (example: Holosun 507K) pairs well with the included K/RMSc footprint plate.

Product Specifications

• The manufacturer is OA Defense.
• The model and part number are 2311 Compact Pro — OA2311CPROPLSHDSPRT17.
• The caliber is 9x19mm.
• The barrel length is 4.25 inches.
• The capacity is 17+1 rounds.
• The frame material is 7075 Aluminum.
• The grip is Polymer (Sage).
• The finish is High Desert Finish (Cerakote Elite E-190).
• The action type is Semi-Auto; Single Action Only.
• The barrel type is Ported.
• The sights are Night Fision tritium night sights (installed).
• The safety is Ambidextrous.
• The trigger weight is 3.5–4.0 lbs.
• The unloaded weight and dimensions are 25.5 oz unloaded and 7.75″ L × 5.10″ H × 1.40″ W.
• The kit includes (5) 17‑round OA magazines, (4) slide plates (iron sight cover plate, RMR DPP & Holosun K/RMSc footprint plates), Night Fision sights, range bag and safety lock and the UPC is 850055310391.

The OA 2311 Compact Pro Plus Kit balances compact carry geometry with features aimed at rapid, accurate shooting. Its combination of a reduced-recoil ported barrel, enhanced trigger treatment, and optics-ready slide makes it practical for everyday carry setups and for competitive/practical shooting scenarios where quick follow-up shots and ergonomics matter. The included magazines and mounting plates make it a turnkey option for users who want versatility out of the box.