aac

  1. MCMXI

    ECCO Machine completes the final conversion.

    I bought four AAC suppressors back in 2012 that used the 51T and 90T QD interface. It became apparent that there was a problem with the QD design and I set about modifying one of them to see if I could improve the situation. In 2018 I sent the M4-2000 to a machine shop along with a drawing to...
  2. MCMXI

    AREA 419 Hellfire suppressor mounts and universal adapters

    I'm not sure how familiar folks are with AREA 419 but they seem to have great products that solve some problems. https://www.area419.com/ About 18 months ago I had an AAC M4-2000 modified to work with the KEY-MO from Dead Air. I had the 51T ratchet interface removed and the inside threaded...
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