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FN 509 Compact MRD w/ Compensator
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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.
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Model details
Manufacturer
FN
Model & version
509 Compact MRD w/ Compensator
Mounting details
MIL-STD-1913 Picatinny, FN Low-Profile Optics Mounting System
Compatibility records
79
Lights & rail fitment
Optics & footprint adapters
Optic Plates
10 listed- C&H Precision
FN 509, FN 510, and FN 545 V4 MIL / LEO to Holosun 407k / 507k / Vortex Defender CCW / C&H EDC / EDC Enclosed / Olight Osight S
Interface match - Outerimpact
Red Dot Mount – MRA for FN 509 Pistol
Manufacturer documented - Shield Sights
FN509 - Optics Ready Low Profile Slide Mount for RMS/SMS
Manufacturer documented - C&H Precision
FN 509, FN 510, and FN 545 V4 MIL / LEO to Holosun 509T (STEEL)
Interface match
Sights
Sights
4 listed- Dawson Precision
Sight for FN 509, Fiber Optic Front,
Manufacturer documented - Night Fision
TRITIUM NIGHT SIGHTS FOR FN HERSTAL
Manufacturer documented - Dawson Precision
Sight for FN 509, Fixed Carry Black Rear,
Manufacturer documented - Dawson Precision
Sight for FN 509, Fixed Carry Fiber Optic Rear,
Manufacturer documented
Triggers & internals
Grip & magwells
Magazines
1 listedCategories with no listings (13)
About the FN 509 Compact MRD w/ Compensator
- Type
- Pistol
- Manufacturer
- FN
- Model & version
- 509 Compact MRD w/ Compensator
- Mounting details
- MIL-STD-1913 Picatinny, FN Low-Profile Optics Mounting System
- Width
- 1.35"
- Barrel length
- 3.7"