Skip to content
firearmlab.
Firearm modelsModels
1,027
PartsParts
5,395
FitmentsFits
121,240
Contribute

FN 509 Tactical

Explore parts, discover makers and check what fits your model.

51 documented listings69 fit unconfirmedBrowse categories ↓

Only you can see your saved models.

Ask about a part →Showcase your build →

Choose a part to see sources and fitment details.

What the compatibility labels mean
How we knowHow we check compatibility
  • Lab testedFit checked by Firearm Lab for the recorded setup.
  • Documented fitmentSupported by manufacturer, partner, or reviewed community evidence.
  • Interface matchMounting details match, but this exact model and part have not been confirmed to fit together.

Check your exact model and part before ordering. Fitment limits

Model details
Manufacturer
FN
Model & version
509 Tactical
Mounting details
MIL-STD-1913 Picatinny, FN Low-Profile Optics Mounting System
Compatibility records
120

Lights & rail fitment

Lights & Lasers

78 listed
View all 78 parts

Barrels & comps

Barrels

2 listed
View all 2 parts

Compensators

10 listed
View all 10 parts

Optics & footprint adapters

Optic Plates

10 listed
View all 10 parts

Sights

Sights

9 listed
View all 9 parts

Also on this pistol

Holsters

4 makers

Check each manufacturer’s options for your model, light and optic.

Holster makers (4)

Triggers & internals

Triggers

2 listed
View all 2 parts

Grip & magwells

Magazines

1 listed
Browse magazines

Suggest a missing part →

Categories with no listings (10)

About the FN 509 Tactical

Attested on https://fnamerica.com/products/pistols/fn-509-tactical/ (FN 509® Tactical product page, HTML). Soft seed 2026-08-07 for FN 509 parts host coverage.

Type
Pistol
Manufacturer
FN
Model & version
509 Tactical
Caliber
9mm
Mounting details
MIL-STD-1913 Picatinny, FN Low-Profile Optics Mounting System
Width
1.35"
Height
5.75"
Weight
27.9 oz
Barrel length
4.5"
Overall length
7.9"