The FN 509 is a testament to FN's commitment to quality and innovation, featuring a robust polymer frame and a 4.0" barrel. This optic-ready model is designed for ease of use, with a MIL-STD-1913 rail for versatile accessory attachment and comes with three magazines for extended range sessions.\n\nIdeal for range time and training, the FN 509 offers reliability and performance. FN's reputation for innovation ensures that this firearm meets the needs of modern shooters.\n\nKey Features:\n- Manufacturer: FN\n- Model: 509\n- Caliber: 9mm\n- Condition: Pre-owned\n- Action: Semi-automatic\n- Finish Color: Black\n- Barrel Length: 4.0"\n- Number of Magazines: 3\n- Capacity: Not specified\n- Optic Footprint: Yes\n- Unique Features: MIL-STD-1913 Rail, Optic-Ready\n- Night Sights: No\n- External Safety: No\n- Threaded Barrel: No\n- What's In The Box: Original Soft Case\n- Weight: Not specified\n- Length: Not specified\n- Width: Not specified