The FN 509 NMS DS 9MM 4 IN 10RD BLK/BLK by FN is a testament to superior design and engineering. Built on the FNS Compact architecture, it offers reliability and durability, having been tested with over one million rounds. This striker-fired autoloader features a cold hammer-forged stainless steel barrel and polymer frame with interchangeable backstraps, ensuring functional benefits and ease of use.

Ideal for range time, competition, and training, the FN 509 NMS DS is equipped with luminescent night sights and ambidextrous controls, making it a versatile choice for enthusiasts. FN's reputation for innovation and quality is evident in every detail.

Key Features:
- Manufacturer: FN
- Model: FN 509 NMS DS
- Caliber: 9mm
- Condition: New
- Action: Double-Action
- Finish Color: Matte Black
- Barrel Length: 4.00"
- Number of Magazines: 2
- Capacity: 10
- Optic Footprint: None
- Unique Features: Ambidextrous controls, interchangeable backstraps
- Night Sights: Yes
- External Safety: No
- Threaded Barrel: No
- What's In The Box: Two magazines, owners manual, locking device, soft pistol case
- Weight: 26.9 oz
- Length: 7.4"
- Width: Not specified