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barrel nut

  1. HK REFERENCE LIBRARY
    Hello, can anyone help me identifying the thread type used in HK416/MR556/MR223 barrel nuts? In another forum thread I read that the HK416 uses metric threads with a 1.5 mm pitch, but the diameter was not specified. Since the AR-15 uses 1.250"-18 TPI (which equals M31.75 x 16.93 mm in metric...
  2. WANTED TO BUY HK PARTS AND ACCESSORIES
    As title says, condition doesn't matter too much just function. Message me if you have one you'd like to get rid of.
  3. HK PARTS AND ACCESSORIES FOR SALE
    New, unused, commercial tube. Comes with barrel nut as shown. Bought this thinking I was going to build an HK417 but my funds have pretty much been exhausted in CAG, M27 and other HK416 builds. So this needs to go. $135. I accept pp, Zelle.
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