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 & MK 48 Piston Spring Pin

FN M249, MK 46 & MK 48 Piston Spring Pin

$8.09

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FN M249, MK 46 & MK 48 Piston Spring Pin

FN M249, MK 46 & MK 48 Piston Spring Pin

$7.51

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FN M249, MK 46 & MK 48 Cocking Channel Cover Retaining Pin

FN M249, MK 46 & MK 48 Cocking Channel Cover Retaining Pin

$5.00

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FN M249, MK 46 & MK 48 Cocking Channel Cover Retaining Spring

FN M249, MK 46 & MK 48 Cocking Channel Cover Retaining Spring

$13.57

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FN M249, MK 46 & MK 48 Cover Latch
FN M249, MK 46 & MK 48 Cover Latch Retaining Clip

FN M249, MK 46 & MK 48 Cover Latch Retaining Clip

$10.83

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FN M249, MK 46 & MK 48 Retaining Spring

FN M249, MK 46 & MK 48 Retaining Spring

$11.63

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FN M249, MK 46 & MK 48 Barrel Locking Lever Helical Spring

FN M249, MK 46 & MK 48 Barrel Locking Lever Helical Spring

$7.48

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FN M249 & MK 46 Cartridge Ejector

FN M249 & MK 46 Cartridge Ejector

$58.40

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FN M249, MK 46 & MK 48 Ejector Pin
FN M249, MK 46 & MK 48 Ejection Port Cover Spring

FN M249, MK 46 & MK 48 Ejection Port Cover Spring

$6.37

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