FN 509
Parts listed here are designed for FN 509 pistol models chambered in 9mm unless noted otherwise. MGW offers replacement magazines, sights, barrels, frame upgrades, recoil springs, parts kits, pins and more for this handgun model. Outfit your FN 509 with quality aftermarket and OEM parts and components to ensure reliable function with every shot.
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.


Apex Tactical FN 509, 503, & FNS Striker Components Kit
$14.25
In Stock

EGW Vortex Venom / Viper & Burris FastFire Red Dot Mount, Sig Sauer P Series & FN 509
$44.99
In Stock

EGW Trijicon RMR / SRO & Holosun 407C / 507C Red Dot Mount, Sig Sauer P Series & FN 509
$44.99
In Stock

Apex Tactical FN 509 Extended Magazine Release, Left Hand
$71.25
In Stock

Apex Tactical FN 509 Extended Magazine Release, Right Hand
$71.25
In Stock

FN 509C, 509CT, 509CC Edge, & FNS-9C Magazine Spring
$7.20
In Stock

Promag FN 509 Compact 9mm 15 Round Blued Steel Magazine
$24.99
In Stock

FN 509 Magazine Kit, 9mm 24 Round
$64.99
In Stock

FN 509T/510T/545T MRD Plate, DP Pro, Black (501)
$24.00
In Stock

FN 509 Tactical Countersunk Screw, .530 (511)
$4.50
In Stock