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Thread: new Polish blanks

  1. #21
    No Hope For Me 1biggun's Avatar
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    WHAT NEEDS TO HAPPEN IS SOME ONE NEEDS TO SEE HOW THE BRUSSED VERSIONS COMPARE TOT HE SMOOTH AN SEE IF THERE IS ANY DIFFERANCE. THIS IS GETTING REALLY CONFUSING ON MAYN BOARDS. SOME GUYS ARE SAYING THERE FINE OTHERS ARE SAYING THERE SOFT AN MAYNOT EVEN TAKE A TEMPER.

    I DOUBT COPES IS GETTIG THERE SPECIAL FROM ANY ONE ELSE. IT WOULD BE NICE IF THEY GAVE US SOME INFO ON WERE THER COMING FORM AN HOW THERE GETTING HERE. I DONT NEED TO KNOW THE IMPORTER BUT ID LIKE TO KNOW SOME HISTORY. SOME ONE IS BUYING THESE FROM POLAND AN SHIPPING THEM HERE. SOME ONE IN POLAND IS MAKING THEM FOR SALE. THERE HAS TO BE INFO OUT THERE.

  2. #22
    GuncoHolic Sprat's Avatar
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    who is heat treating these now,
    either in their own kiln or
    who is set up a for profit heat treating service

    thought i read this somewhere
    oh i am talking a bout undrilled un railed blanks

    Thanks
    Sprat and sprat1 are one and the same.

  3. #23
    Gunco Member Jones762's Avatar
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    Jones762
    Sacramento, Cal.

    Miracle Machine Works
    "If it's a good part-- it's a MIRACLE".

  4. #24
    Gunco Member TBob's Avatar
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    I contacted them regarding the info on the page stating 4130, and asked if they could verify that. Brian from keepshooting.com responded, and you can view the question and answer here:

    Polish AK-47 Receiver Blank 4130 or 1050

    Short answer is that the blanks from keepshooting, according to the importer, are 4130, not 1050. This is a big plus due to the soft 1050 ones out there

  5. #25
    GuncoHolic 555th's Avatar
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    The ones I got from Cope's heat treated nicely. I ordered four more today.

  6. #26
    Chief Administrator 7.62x39's Avatar
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    Why would you spend more money for an unknown receiver from an unknown supplier rather than buy a proven product from a proven supplier like Copes who also happens to be a forum sponsor.
    .

  7. #27
    Chief Administrator 7.62x39's Avatar
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    Quote Originally Posted by 555th View Post
    The ones I got from Cope's heat treated nicely. I ordered four more today.
    +1
    I am convinced that these are the same material as the AK-Builder flats that we have been using for years. They accept the heat treating exactly the same.
    .

  8. #28
    Gunco Member TBob's Avatar
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    Quote Originally Posted by 7.62x39 View Post
    +1
    I am convinced that these are the same material as the AK-Builder flats that we have been using for years. They accept the heat treating exactly the same.
    I was just going to ask if they were 4130 or 1050. Thanks for that info. I usually buy from things from Copes because they always have great pricing, but I was concerned about type of steel due to all the other threads on some of the blanks. If they can be spot heat treated just like the flats, it's a good deal.

  9. #29
    GuncoHolic Sprat's Avatar
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    the purpose of me re-starting this thread was to jog folks memories as to who was setting up operations to heat treat these blanks??
    there were several post I can't find them here or at AK forums??
    I remember reading several guys were going to do it

    need help here
    Sprat and sprat1 are one and the same.

  10. #30
    GuncoHolic 555th's Avatar
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    Quote Originally Posted by Sprat View Post
    the purpose of me re-starting this thread was to jog folks memories as to who was setting up operations to heat treat these blanks??
    there were several post I can't find them here or at AK forums??
    I remember reading several guys were going to do it

    need help here
    There's a thread on the marketplace at AK-Files where a guy is offering a service to heat treat blanks.......but...

    From what I've gathered:
    After the spot welds are done, the blank should be stress relieved at 750
    After SR the receiver gets heat treated at 1600 and quenched
    After Heat treat the receiver gets annealed to 700 and slow cooled

    This is how I did my last two. Used a buddy's kiln. Took most of the day for two receivers, but they did turn out great.

    In the process of piecing together my own kiln, the parts are surprisingly cheap.

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