FN FNX-45
Parts listed here are designed for FN FNX-45 pistol models chambered in .45 ACP unless noted otherwise. MGW offers replacement magazines, slides, firing pins, sights, barrels, springs, pins and more for this handgun model. Outfit your FNX-45 with quality OEM and aftermarket parts and components to ensure reliable function with every trigger pull.
The schematic may not represent all the parts available - please scroll down for a complete list of items offered for this model.
Click on any part number highlighted in RED to view specific details or to purchase online.
It is recommended that all parts be fit by a qualified gunsmith.
Showing 49 - 64 of 91 results
Showing 49 - 64 of 91 results


FNX-45 Standard Slide Assembly SS
$449.00
Sold Out

FNP-45 / FNX-45 Night Sight Set
$129.00
Sold Out

Trijicon FNH FNX-45 / FNP-45 Yellow HD Night Sight Set
$140.00
Sold Out

FNH FNP / FNX 45 Tactical Slide Plate Cap, Flat Dark Earth
$24.15
Sold Out

FN FNP-45, FNX-45 Magazine Butt Plate 14/15 Round FDE
$8.00
In Stock

FNH FNP-45 / FNX-45 Recoil Spring Assembly
$25.60
Sold Out

FNH FNP 45 Tactical Barrel Cap
$22.40
In Stock

FNH FNP-45 / FNX-45 Curved Aggressive Flat Dark Earth Backstrap
$21.60
In Stock