The FN 509® is built on the proven architecture of the FNS™ Compact, FN made changes internally and externally to meet the rigorous performance standards of the MHS requirements and further developed the platform into the FN 509® with the help from industry experts. Over the course of development, the platform has been tested extensively for reliability, ammunition compatibility and durability – totaling more than one million rounds.

manufacturer: fn america
Model: 509
Type: pistol: semi-auto
Caliber: 9mm
Capacity: 17+1
Finish: matte black
Sights: Fixed 3-dot luminescent sights
Barrel Length: 4"
UPC #: REDACTED79