Everything you ever wanted to know about the Yugo M64 / M70A Bolt Hold Open Feature
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Thread: Everything you ever wanted to know about the Yugo M64 / M70A Bolt Hold Open Feature

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    Everything you ever wanted to know about the Yugo M64 / M70A Bolt Hold Open Feature

    Thought I'd post these here before they are lost forever on the other forum.....

    The Basics.

    You will need the following for this to work.

    1. m64 - reciever
    2. Shoulder Screw / Nut
    3. Bolt Hold Open Lever
    4. Retaining Rivet ( above trigger axis pin )
    5. M64 Magazine, or Modified M70 magazine.


    This BHO lever / feature is only for the YUGO m64. OR more Accurately called the M70A
    It will not work in any other receiver.


    You will have one of two receivers.

    1. Re-Welded Original
    2. ORF - Assault Weapons of Ohio

    If you have a Re-Welded original, you will need to make sure the area in which the lever sits is clean and free of slag or other post welding issues.

    If you have an ORF-AWO receiver the cutout area that the lever rides in may be a few thousands too narrow, Just take a little off the lever to compensate for this..


    The Following photos should tell you everything you ever wanted to know about the Bolt Hold Open feature of the Yugo m70a/m64




















    Last edited by pinakar; 04-11-2018 at 04:17 PM.
    WANTED to BUY :

    1954 Russian Dated Sling

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    Shoot me a PM if you have one.




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    Thank you for posting this valuable resource!

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    Last edited by pinakar; 04-11-2018 at 03:57 PM.

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    Stickied!

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    too bad
    Weaponmark likes this.

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    thanks, man. super pictures.

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    Quote Originally Posted by Ironrabbit View Post
    Excellent post! Someone needs to need to make a posting of this caliber on how the PSL bolt hold open device works. If there is one please let me know.
    Thanks!! Lot of research went into that.. I don't think many care about it though, have not seen many builds that incorporate the BHO device.....

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    Yeah, so many new guys lately, but few seem to be interested in arcane AK features. Lots of static, very little signal.

    I've got an M64 full-stock with the BHO. Been meaning to make a video of it in operation with the receiver cover removed.

    Blank cartridges I think, so I can do it at my leisure in my backyard.

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    ^^^ Yep., any way you can restore the pics?
    Last edited by AKBLUE; 07-01-2017 at 11:37 AM.

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    Quote Originally Posted by pinakar View Post
    Damn you Photobucket !!!
    Quote Originally Posted by AKBLUE View Post
    ^^^ Yep., any way you can restore the pics?
    Quote Originally Posted by pinakar View Post
    Working on it.....
    Any chance we will still get the pics back?

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    I don't remember exactly which pics were originally in the OP, but these are some that I've saved over the years. Hope it helps someone.

    20140505225656-fc627d12.jpg
    20140505225658-07e30a5a.jpg
    20140505225913-46df13b2.jpg
    20140505230201-ad62197d.jpg

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    Content RESTORED!!!!!! Now all you Russian lovers get over to the Russian section and get those photos back up!!!
    WANTED to BUY :

    1954 Russian Dated Sling

    -
    Shoot me a PM if you have one.




  14. #13
    ebp
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    Any chance you have one of these in a drawer somewhere?

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    Are you still making these for sell or do have blue prints I can buy. I am currently doing a saw cut reweld M64/M72A and what to make this an original as it came from factory. Thanks how ever you can help

 

 

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