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FN 545 MRD
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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.
Check your exact model and part before ordering. Fitment limits
Model details
Manufacturer
FN
Model & version
545 MRD
Mounting details
MIL-STD-1913 Picatinny, FN Low-Profile Optics Mounting System
Compatibility records
75
Lights & rail fitment
Optics & footprint adapters
Optic Plates
8 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 - C&H Precision
FN 509, FN 510, and FN 545 V4 MIL / LEO to Holosun 509T (STEEL)
Interface match - C&H Precision
FN 509, FN 510, and FN 545 V4 MIL / LEO to Holosun EPS / EPS Carry / SCS Carry
Interface match - C&H Precision
FN 509, FN 510, and FN 545 V4 MIL / LEO to Leupold Delta Point Pro and EOTech EFLX
Interface match
Grip & magwells
Also on this pistol
Holsters
3 makers- Concealment Expresschecked 2026-11-01
- DeSantis Gunhidechecked 2026-11-01
- Vedder Holsterschecked 2026-11-01
Check each manufacturer’s options for your model, light and optic.
Triggers & internals
Categories with no listings (13)
About the FN 545 MRD
Manufacturer listing ↗ · Checked 2026-08-02
- Type
- Pistol
- Manufacturer
- FN
- Model & version
- 545 MRD
- Mounting details
- MIL-STD-1913 Picatinny, FN Low-Profile Optics Mounting System
- Width
- 1.45"
- Height
- 6"
- Weight
- 30 oz
- Barrel length
- 4.1"
- Overall length
- 7.7"