The FNX-40 is the .40 S&W variant of the FNX series, sharing the fully ambidextrous DA/SA architecture of the FNX-9 in the larger caliber. Developed for US law enforcement agencies standardized on .40 S&W. The FNX-40 uses the same ambidextrous decocker, slide release, and magazine release as the FNX-9. Type: Pistol Action: Semi-Automatic Caliber: .40 S&W Capacity: 14 Year introduced: 2009, Belgium Weight: 26.5 oz Overall length: 7.4" Status: Active Intended use: law_enforcement, service