Firearm purchases require a background check and must be picked up in person by the purchaserSBR transfers will not be accepted
The FNX-45 is a hammer-fired, DA/SA .45 ACP pistol featuring a 4.5-inch barrel, 15+1 capacity, and a 33.2 oz weight. It features a polymer frame, fully ambidextrous controls, and a 1:16" RH twist. The Tactical variant offers a 5.3-inch threaded barrel, optic-ready slide, and raised night sights.
FN® Firearms +4
Key Specifications (Standard & Tactical):
- Caliber: .45 ACP
- Action: Double-Action/Single-Action (DA/SA), Hammer-fired
- Capacity: 15+1 or 10+1 rounds
- Weight: 33.2 oz (Standard), 33.3 oz (Tactical)
- Barrel Length: 4.5" (Standard), 5.3" (Tactical)
- Overall Length: 7.9" (Standard), 8.6" (Tactical)
- Width: 1.58"
- Trigger Pull: DA: 8.8–12.1 lb, SA: 3.96–5.06 lb
FN® Firearms +2
Key Features:
- Construction: Stainless steel slide and barrel with a polymer frame.
- Controls: Fully ambidextrous safety/decocker, slide stop, and magazine release.
- Tactical Upgrades: Threaded barrel (.578x28 tpi), high-profile Trijicon 3-dot green tritium night sights, and included optics mounting plates.
FN FNX-45 Pistol
SKU: G-1017243-1
$924.99Price

