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HI, Does anyone know what type of metal treament is HK useing on there MR 556 is it melonite, nickel boron,ion bonded??


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Mike
 

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HI, Does anyone know what type of metal treament is HK useing on there MR 556 is it melonite, nickel boron,ion bonded??


Thanks

Mike
Usually HK uses a nitro-carburizing type deal, similar (or identical) to what SIG uses on their steel components.
 
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