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.

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Trijicon FNH FNX-45 & FNP-45 HD XR Night Sight Set, Yellow Front Outline
Trijicon FNH FNX-45 & FNP-45 HD XR Night Sight Set, Orange Front Outline
Hogue HandALL Large Tactical Grip Sleeve, Black

Hogue HandALL Large Tactical Grip Sleeve, Black

$11.01

1
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock

ProMag FN FNX-45 .45ACP 15 Round Blued Steel Magazine

ProMag FN FNX-45 .45ACP 15 Round Blued Steel Magazine

$25.99

5
Ratings Snapshot
3.4
out of 5
Would recommend this product.

In Stock

EGW Vortex Venom / Viper & Burris FastFire Red Dot Mount, FN FNX & FNS

EGW Vortex Venom / Viper & Burris FastFire Red Dot Mount, FN FNX & FNS

$44.99

1
Ratings Snapshot
4
out of 5
Would recommend this product.

In Stock

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

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

$44.99

1
Ratings Snapshot
5
out of 5
Would recommend this product.

In Stock

FNH FNP / FNX 45 Tactical Slide Plate Cap, Flat Dark Earth

FNH FNP / FNX 45 Tactical Slide Plate Cap, Flat Dark Earth

$24.15

1
Ratings Snapshot
5
out of 5
Would recommend this product.

Sold Out

Notify Me When Available

Apex Tactical FN FNX-45 Magazine Base Pad Extension

Apex Tactical FN FNX-45 Magazine Base Pad Extension

$42.75

Not Yet Rated

In Stock

FN FNX-45 Recoil Spring Guide Assembly

FN FNX-45 Recoil Spring Guide Assembly

$32.80

3
Ratings Snapshot
5
out of 5
Would recommend this product.

Sold Out

Notify Me When Available

FN FNX Firing Pin Retainer

FN FNX Firing Pin Retainer

$30.80

Not Yet Rated

In Stock

Apex Tactical FN Large Frame Extended Magazine Release, Right Hand

Apex Tactical FN Large Frame Extended Magazine Release, Right Hand

$71.25

Not Yet Rated

In Stock

Apex Tactical FN Large Frame Extended Magazine Release, Left Hand

Apex Tactical FN Large Frame Extended Magazine Release, Left Hand

$71.25

Not Yet Rated

In Stock