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Freedom Ordnance FM-9 Barrel Conversion

Freedom Ordnance FM-9 Barrel Conversion

Change the barrel in your FM-9

Made from 4150 chromoly steel. QPQ nitride finish


A2 flash hider and carry handle.

This info is specific to the 6” barrel

*ATTENTION* You must own a 6′′ model of the FM­9 if you do not you will need the 6′′ upgrade

kit which includes the 4′′ quad rail along with 1 barrel to modify existing 11′′ or 16.5′′ models. This

barrel will not work on the longer quad rail that comes with the other two models.

Product ID: 44465

Availability:Out of stock

The guys at Freedom Ordnance are proud to introduce 9mm replacement barrels for your Freedom Ordnance 9mm Belt Fed Upper. Over a year in development and 10,000+ rounds in testing have been done to bring you the world’s first 9mm belt fed!

 Freedom Ordnance has tested and approved the ammunition below and based on customer feedback we have improved the heat treating process. The link lifespan has increased enough that we no longer need to designate an expected use. We still recommend to keep link lots separate as you use them as well as when you buy new links being they loosen after the first use. It is also recommend to keep link lots separate as you use them as well as when you buy new links. For more in-depth information on link lifespan click here

  • PMC bronze 115 gr fmj 
  • Tulammo 9mm 115 gr steel case 
  • Winchester white box 115 gr fmj 
  • Seller & Bellot 9mm 115 gr fmj 

Freedom Ordnance has tested other ammunition that was too weak and caused failures to eject or failures to advance belt. They recommend trying a small amount of ammunition before buying in bulk if it is not on our list above.


  • Machined from billet aluminum and ordnance grade steel. Heat treated and QPQ nitride finish on all steel parts to give the system extreme durability.
  • Unique quick change barrel system, rigid and accurate, no tools required. Switch barrels in seconds!
  • 1/2-28 T.P.I. standard barrel muzzle thread
  • CA residents, this barrel may not be legal in your State/County. Check your local laws before purchasing! 

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