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 17 - 32 of 91 results
Showing 17 - 32 of 91 results


FN FNX-45, FNP-45 Magazine Release
$20.80
In Stock

FN FNS / FNX Plastic Pistol Case
$27.60
Sold Out

FNA FNX 45 Tactical, Plate Mounting Screw
$3.49
In Stock

FN FNX-45 Fire Control Assembly Kit, Manual Safety
$87.40
Sold Out

FN FNX-45/545 Magazine Base Pad Catch
$5.20
Sold Out

FN FNX-45 Right Thumb Decocker Subassembly
$14.40
In Stock

FN FNX-45/545 Magazine Follower
$5.00
In Stock

FN FNP-45 / FNX-45 Magazine Base Pad, FDE
$8.00
In Stock