FN MK 46 Gun Parts

All gun parts listed here are specific to the FN MK 46 chambered in .223 Rem unless otherwise noted. These parts are direct factory replacement parts for the 5.56x45mm caliber MK 46 Light Machine Gun (LMG) whether manufactured by FNH, FN Herstal, FNH USA, or FN America. MGW offers replacement barrel assemblies, firing pins, buttstocks and more for this machine gun model. Outfit your FN MK 46 with quality OEM and aftermarket parts and components to ensure reliable function with every round fed.

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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FN M249 & MK 46 Operating Rod Assembly
FN M249 & MK 46 Firing Pin

FN M249 & MK 46 Firing Pin

$83.22

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FN M249 & MK 46 Feed Channel Roller

FN M249 & MK 46 Feed Channel Roller

$132.09

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FNH M249 & MK 46 Helical Compression Spring (Drive Spring)

FNH M249 & MK 46 Helical Compression Spring (Drive Spring)

$97.61

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FN M249, MK 46 & MK 48 Cocking Handle Plunger Detent Spring Pin

FN M249, MK 46 & MK 48 Cocking Handle Plunger Detent Spring Pin

$4.00

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FNH M249, MK 46 & MK 48 Buffer Spacer Pin

FNH M249, MK 46 & MK 48 Buffer Spacer Pin

$14.50

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FN M249, MK 46 & MK 48 Slide Pivot
FN M249, MK 46 & MK 48 Firing Pin Retaining Pin

FN M249, MK 46 & MK 48 Firing Pin Retaining Pin

$8.43

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FN M249, MK 46 & MK 48 Firing Pin Retaining Pin

FN M249, MK 46 & MK 48 Firing Pin Retaining Pin

$3.50

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In Stock