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The FN 509 is a striker-fired, semi-automatic 9mm pistol developed by FN for dependable performance in both personal defense and professional settings. Featuring a 4-inch barrel, polymer frame, and ambidextrous controls, it is designed for versatility and ergonomics. This model is also equipped with interchangeable backstraps and has a MIL-STD-1913 accessory rail.
The FN 509 offers interchangeable backstraps for a customizable grip and supports a 17-round magazine capacity. Its build reflects FN’s focus on reliability, user adaptability, and practical features for modern shooters.
