The FNX™ series is a page out of the book of FN's FNP service pistol series. FNX pistols are hammer-driven (as opposed to the striker-fired operation of the FN FNS series), double-/single-action, and feature fully-ambidextrous magazine release, slide stop lever, and safety/de-cocking levers, as well as stainless steel slide and barrel, a polymer frame with interchangeable back-straps, and a MIL-STD 1913 rail beneath the barrel for mounting of lasers and tactical lights. Available in three calibers: 9mm, .40 S& W, and .45 ACP. Standard FNX features include: Stainless steel slide Serrated trigger guard Front and rear cocking serrations Fully ambidextrous magazine release MIL-STD-1913 accessory mounting rail External extractor with loaded chamber indicator Hammer-driven autoloader (double-/single-action) Fixed 3-dot sights (standard); night sights available Fully ambidextrous de-cocking/safety and slide stop levers Polymer frame construction with replaceable steel frame/slide rails Shipped with Owner’s manual, locking device, and case Cold hammer-forged stainless steel barrel, with polished chamber and feed ramp Polished, nickel-coated steel magazine body, with low-friction follower and polymer base pad FN America FN FNX-45 Tactical BLK/GRY DA/SA 3-Dot Sights 66-100034