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OA Defense engineers and manufactures high-performance, duty-grade handguns in the United States, with a focus on blending competition-level speed and accuracy with the reliability demanded by professionals. The flagship 9mm OA 2311TM series features a 1911-inspired design refined for modern use, including a fully ambidextrous control layout, tool-free takedown, and compatibility with widely available SIG P320® pattern magazines for ease of maintenance and logistics. Each pistol is optimized for optics with multiple co-witnessing slide plates and is built to rigorous standards in OA Defense’s North Carolina facility, where every unit undergoes live-fire testing before shipment. For those seeking a proven platform that bridges the gap between competition and duty, shop the OA Defense collection for sale today.
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OA Defense 2311 Compact OA2311CMPTKITBLKSTD15 Pistol 9mm 4.25" Barrel 15+1 Single Action Optics-Ready, Ambidextrous
OA Defense 2311 Compact Plus Kit OA2311CMPTPLSHDSSTD17 Pistol 9mm 4.25" 17+1 Single Action Optics Ready, High Deser
