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 1 - 16 of 91 results
Showing 1 - 16 of 91 results


Apex Tactical FN Large Frame Extended Magazine Release, Right Hand
$71.25
In Stock

FN FNX-45 Recoil Spring Guide Assembly
$32.80
In Stock

Apex Tactical FN FNX-45 Magazine Base Pad Extension
$42.75
Sold Out

EGW Trijicon RMR / SRO & Holosun 407C / 507C Red Dot Mount, FN FNX & FNS
$44.99
Sold Out

EGW Vortex Venom / Viper & Burris FastFire Red Dot Mount, FN FNX & FNS
$44.99
In Stock

Hogue HandALL Large Tactical Grip Sleeve, Black
$11.01
Sold Out

Meprolight Tru-Dot Fixed Night Sight Set for FNX Pistols, Green
$89.99
In Stock