OA Defense 2311, Single Action, Semi-Automatic, Metal Frame Pistol, Compact, 9MM, 4.25 Barrel, Matte Finish, High Desert, Sage Grips, Tritium Night Sights, Optics Ready, 15 Rounds, 3 Magazines, Includes 3 Optic Mounts for RMR, Delta Point Pro, and RMSc, Custom OA Defense Range Bag OA-2311-CMPT-KIT-HDS-STD-15 The OA Defense 2311 Compact represents a technological step forward in defensive carry pistol design. Fully ambidextrous controls, optic-ready slide, lightning fast cycle time, and a modular grip & magwell make the OA 2311 Compact a clear choice for personal defense and everyday carry.