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Thread: PKM Parts Layout

  1. #1
    Happy Camper hcpookie's Avatar
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    Default PKM Parts Layout

    Note that the measurements for the trunion I got are 1.614" wide, which happens to be 41mm.

    I'm not sure if I am missing some parts or if I have spare parts. I've managed to figure out the assembly for everything except the few parts I've identified. So if anyone can help with the one pic I'd appreciate it!

    This has tons of pics (about 60) so beware if you're on a slow connection...

    http://pookieweb.dyndns.org:61129/beltfeed/PKM/pkm.htm
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    The "original" Boltcutter Rivet Squeezers:
    http://pookieweb.net/AK/rivet/boltcutters/boltcutter.htm


    Project Pink - the Pink and Blue AK-74:
    http://pookieweb.net/pink/pink.htm

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    Happy Camper hcpookie's Avatar
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    Here are the measurements as best as I can make in my shop:

    Measurements (made at trunion):

    Width: 1.614" / 41mm
    Height: 1.889" / 48mm (trunion height - should be internal height of receiver)
    Length: 14" / 355.6mm

    Thickness of material appears to be 1.6mm (.064") at top groove in trunion.

    Anyone have other numbers to post?
    Last edited by hcpookie; 02-10-2006 at 10:38 PM. Reason: adjusted Length measurement
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    http://pookieweb.net


    The "original" Boltcutter Rivet Squeezers:
    http://pookieweb.net/AK/rivet/boltcutters/boltcutter.htm


    Project Pink - the Pink and Blue AK-74:
    http://pookieweb.net/pink/pink.htm

  3. #3
    U.N.C.L.E. Illya Kuryakin's Avatar
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    I believe two of the parts you show in your photos are the hinge ends for the feed pawl.

    Photo 1 ) rough layout of the pieces
    Photo 2 ) depicts 2 rivets for rear hinge half
    Photo 3 ) depicts 2 rivets for front hinge half

    I think you have 2 of the front hinge halfs in your parts - one extra
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    Did I do that?

  4. #4
    U.N.C.L.E. Illya Kuryakin's Avatar
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    BTW - I think your missing the spring for the ejection port cover. Also for the small spring in your photos, don't have function figured out but I found this small detent on the garage floor that seems to fit the spring very well. It might offer a clue.
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  5. #5
    Administrator pirate56's Avatar
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    been looking at my parts and the picture of the receiver from vltor. haven't taken any measurements yet. basically if you make a u shaped blank you can figure it out from there. Looks like you have all the basics figured out. I have been really busy doing conversion parts for the mg42, so I haven't had time to work on this yet.

  6. #6
    Happy Camper hcpookie's Avatar
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    Found this too:

    http://club.guns.ru/eng/pkm.html

    The receiver is a U-section stamped from 1.5 mm sheet steel and assembled by rivetings and spot weldings. The receiver has double walls made from two 1.5 mm plates welded one upon another. The receiver top cover is stamped from sheet steel and hinged at front to the receiver and locked at the back with a spring loaded latch. The ejector is similar to the AK's and riveted inside the receiver. The PK ejects empty cases through the ejection port located at left side on receiver. The ejection port has a spring-loaded dust cover. With proper gas selector setting, the ejection cycle is not as violent as the AK cycle and the PK won't damage ejected cases. The PK expels empty cases straight to left at a distance of about 1 m.
    Gunco Member #10

    http://pookieweb.net


    The "original" Boltcutter Rivet Squeezers:
    http://pookieweb.net/AK/rivet/boltcutters/boltcutter.htm


    Project Pink - the Pink and Blue AK-74:
    http://pookieweb.net/pink/pink.htm

  7. #7
    Gunco Veteran Steelcore1964's Avatar
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    Pookie I saw a PKM Post Sample at the Chantily Va. GUnshow last weekend it was a Bob Landies from OOW. It was AWSOME! I asked the guy to open it up and let me look around inside of it. I was suprised by all the riveting and spot welding that has to be done to make one of these things. It makes a AK receiver look like child's play (and a small child at that).
    That which does not kill you, makes you stronger

  8. #8
    U.N.C.L.E. Illya Kuryakin's Avatar
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    Quote Originally Posted by hcpookie
    I've seen that one. I posted a couple of nice photos of assembled Hungarian PKM on photo album in case you don't have these.
    http://www.gunco.net/gallery/showgal...r/1725/cat/500


    Did I do that?

  9. #9
    U.N.C.L.E. Illya Kuryakin's Avatar
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    Think I got another piece figured out. The one piece in your photo that is circled pushes open the ejector door when the bolt carrier is cycled back (charged)
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    Did I do that?

  10. #10
    Happy Camper hcpookie's Avatar
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    Thanks, Ilya! I've updated my site & credited you for that find

    I don't have that little detent, HOWEVER I was fondling the parts again and noticed that the cocking lever has a notch, and the cosmolene has a telltale sign of a spring that - apparently - resides to give the cocking lever handle spring resistance:

    http://pookieweb.dyndns.org:61129/be...M/DSCN1742.JPG

    What do you think? A match?

    That detent in your pic - it looks a lot like a part on my VZ-58 kit near the bolt stop.

    Edited - cross-posted... well you found that other part too! That's it... all parts accounted for. Now the fun begins.
    Gunco Member #10

    http://pookieweb.net


    The "original" Boltcutter Rivet Squeezers:
    http://pookieweb.net/AK/rivet/boltcutters/boltcutter.htm


    Project Pink - the Pink and Blue AK-74:
    http://pookieweb.net/pink/pink.htm

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