Built to deliver uncompromising performance in a full-size fighting platform the OA Defense 2311 Pro combines the extended frame of the 2311 system with duty-driven enhancements engineered for hard use and high round counts. The longer sight radius and increased grip surface support controlled repeatable shooting while the DLC-treated ported barrel and tuned internals promote durability recoil management and consistent cycling under demanding conditions. Featuring an enhanced trigger; extended magazine release paddle; ambidextrous controls; an optics-ready slide and a modular grip with 7035 aluminum magwell provide adaptable control and accuracy. Includes one 21rd and two 17rd magazines.