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 81 - 91 of 91 results
Showing 81 - 91 of 91 results


FNH FNX Standard Cut Curved Black Backstrap
$21.60
In Stock

FN FNX/FNS/FNP/509/510/545 Firing Pin Block Spring
$5.00
In Stock

FN FNX and FNP 45 Firing Pin Spring
$5.00
In Stock

FN FNS / FNX / FNP Extractor Plunger, Black
$5.00
In Stock

FN FNX/FNS/FNP Extractor Spring
$5.00
In Stock

FN FNS / FNX / FNP / 509 / 510 / 545 Magazine Catch Spring
$4.99
In Stock