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Recent content by matty86suk

  1. M

    6.5 upper build went kaboom

    I take full responsibility for this disaster. I paid the price for trying to save a buck, save some time and not fully understanding what I was doing. I posted here to help me figure out what went wrong and I have been completely up front as a reference, and hopefully a lesson for the community.
  2. M

    6.5 upper build went kaboom

    Armalite pattern bolt, the manufacturer was BCL formally NEA from Canada.
  3. M

    6.5 upper build went kaboom

    You are right, I have(had) an armalite pattern (BCL) BCG in my DPMS pattern receiver. I bought the BCG from a gun show and it was displayed in brownells plastic packaging. It was slightly used when I bought it and the guy I bought it from said it saw less than 100 rounds in his “ar10”. I bought...
  4. M

    6.5 upper build went kaboom

    Yes, extractor pin failed or came out, I didn’t find it. 4 rounds on paper, fifth kaboomed. I’m thinking I am over gassed but I had no real indications of being over gassed. Spent brass in good shape, ejection was at 6 o’clock 2-3ft away consistently. I was wearing eye pro, but they are not...
  5. M

    6.5 upper build went kaboom

    No usual wear on the trigger parts, he buffer takedown pin/retainer is bent though
  6. M

    6.5 upper build went kaboom

    The primer impact on the failure is really deep vs. a non failure.
  7. M

    6.5 upper build went kaboom

    Everything appeared aligned during the build, feed ramps lined up perfectly, barrel but was torqued to spec using the proper tools, headspace was checked.
  8. M

    6.5 upper build went kaboom

    The last 4 round group, the fifth round kaboomed.
  9. M

    6.5 upper build went kaboom

  10. M

    6.5 upper build went kaboom

    Primers have some cratering, and slightly flattened but no other real issues with the spent brass.
  11. M

    6.5 upper build went kaboom

    Edit..... UPDATE, turns out I unknowingly had an armalite pattern BCG installed in a DPMS pattern receiver..... Today my 6.5 upper build had a kaboom, details I pieced this together, this wasn’t a factory gun Stag 10 upper receiver, dpms pattern Stag 10 22” 6.5 barrel, rifle length gas system...
  12. M

    52gr SMK's blowing up mid air at 10y

    Get some 52s off a buddy from a different lot number, or back off the FPS and see what happens. I played a bit with the 52s but for a little more money I just buy 69s or 77gr with way more performance. If you think it is the billet or the lot just use something different... I'm sure Sierra...
  13. M

    Difficulty isolating muscle groups

    My chest isolate workout 3 really heavy sets bench press followed by 5 sets of 10-14 lighter reps, 5x10-14 incline bench press, 5x10-14 decline bench press, 5x10-14 close grip bench press, finish with barbell flys. I base my routine around this The 5/3/1 Program
  14. M

    Gym Pet-Peeves

    That's cool! Here in canuckistan the military are not supported to the level they are in the states. Recently a store I shop at stopped giving military discount (5%) I asked why and the manager said he knows how much we make and we don't need a discount!! I don't mind the civi too much in my...
  15. M

    Gym Pet-Peeves

    I go to a military gym, my only pet peeve is they let civi's in...
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