FN America FNX-45 Tactical .45 ACP DA/SA Pistol, 5.3 in Threaded Barrel, Suppressor-Height Sights, Ambidextrous Controls, Optic-Ready Slide
The FNX-45 Tactical is a full-size .45 ACP built in the USA with a feature set tailored for versatility and suppressed use. This example pairs a 5.3 inch cold hammer-forged, stainless steel threaded barrel with suppressor-height fixed 3-dot sights and an optic-ready slide cut. Fully ambidextrous controls, a DA/SA hammer-fired system, and a 15+1 capacity round out a proven tactical configuration.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Minor, superficial scratches and small blemishes are present from light handling.
What’s Included
- 1x 15-round FNX-45 steel magazine
The FNX-45 Tactical uses a 5.3 inch cold hammer-forged stainless steel barrel threaded 0.578x28 RH and capped by a knurled thread protector. This setup is built for suppressed shooting and durability while maintaining reliable function.
The slide features front and rear serrations for confident manipulation and includes an optic-ready cut, giving you the option to mount a compatible red dot. Suppressor-height fixed 3-dot sights provide a clear sight picture with a suppressor or optic in place.
Controls are fully ambidextrous, including the frame-mounted safety/decocker, slide stop, and magazine release. The DA/SA, hammer-fired system with an external ring-style hammer offers a versatile trigger setup suited to a wide range of use cases.
The polymer frame has aggressive grip texturing for secure handling. An integral accessory rail with multiple slots supports common lights and lasers, and a lanyard eyelet at the rear of the grip adds retention options. Overall length is 8.6 inches with an approximate weight of 33.3 ounces.

