The OA Defense 2311 blends competition proven 2011 speed with duty grade durability for shooters who want a full size, optics ready 9mm pistol straight out of the box. Built on a metal frame with a 5" barrel and finished in High Desert, this single action semi automatic delivers predictable ergonomics, fast follow ups, and excellent sight radius. Optics ready from the factory, the 2311 includes three slide plates/mounts for popular footprints — RMR, DeltaPoint Pro, and RMSc — so you can fit the red dot you prefer without gunsmithing. Tritium night sights provide a bright, reliable aiming reference in low light, while the sage textured grips offer secure purchase and refined control. The package ships with three 17-round magazines and a custom OA Defense range bag so you’re ready for training, competition, or duty use right away.