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Thread: PKM Parts Layout

  1. #11
    Happy Camper hcpookie's Avatar
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    Quote Originally Posted by Steelcore1964
    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).
    Where's Chantily? Up north? I'm moving to Gloucester this summer, so I may be able to make it to those farther-away shows.

    Yeah I'm realizing there are a ton more rivets on this sucker than an AK! Did you notice if there are internal rails?
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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:
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  2. #12
    Happy Camper hcpookie's Avatar
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    Ilya, where are you getting these great pics, may I ask?


    My concern about this design is that it, like all open-bolt designs, is going to need a new trigger group to make it semi-auto. OK, that can be done, HOWEVER... where do you put it? The bolt carrier on this one is upside-down in comparison to an AK. THat makes it out of reach for a normal AK hammer. That's where it gets interesting. We can't use a REAL LONG hammer because the recoil spring is in the way! SO, I think something could be done to take an AK hammer and hang it upside down (from the top), and make an AK style trigger & sear that is REAL LONG to grab the hammer. I'm not sure how else to do this - yet. THAT will be the real challenge!

    I wonder how the semi-auto M-60 MGs are built? There may be something there we can draw from.

    Also, I think a brand-new firing pin will be needed too - I see no way around it. The existing pin is stationary while the open-bolt-firing bolt carrier drives the bolt home. Therefore, the factory pin is way too short for a hammer- or striker-fired closed-bolt design. I think the bolt is too long for an AK firing pin, however I have a lathe so I'm not too worried. I'll sacrifice a grade-8 bolt in the name of a PKM firing pin
    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

  3. #13
    U.N.C.L.E. Illya Kuryakin's Avatar
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    I had 2 coil type springs in the kit I received. The larger one seems like a great fit for the charging handle. The second one (smaller and I think the detent I found on the ground might go with it) still has unknown function IMO.

    Really don't remember where pics came from. Was just digging around looking at different forums and running down leads.

    I loaded a few more photos in photo gallery section if you're interested.
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  4. #14
    Happy Camper hcpookie's Avatar
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    Well crap! I'm missing two parts now... that detent and that larger spring Looking at those other pics, I really really really wish I'd waited for the Hungarian kits. If they are around after I move, I'll probably pick up a 2nd kit.

    The only area I can possibly thing a detent would be necessary is the bearing that locks the barrel into place. It is an overly complicated part, but it seem to be VERY loose when you think about its use. There seems to be no way to keep it in the "unlocked" position when changing the barrel. My guess is the detent is used for something around there, or possibly to lock the top cover into the open position. It seems to be REAL EASY to smash your fingers with the top cover when fiddling with the feed tray or the barrel lock, so maybe there's something there...

    I was reading that site which said some of these came with recoil buffers - anyone have a pic of one? I'm thinking far-ahead that Blackjack Buffers could be tapped to make us some PKM buffers, but that's long down the road.
    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

  5. #15
    Happy Camper hcpookie's Avatar
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    Quote Originally Posted by hcpookie
    My guess is the detent is used for something around there, or possibly to lock the top cover into the open position. It seems to be REAL EASY to smash your fingers with the top cover when fiddling with the feed tray or the barrel lock, so maybe there's something there...
    You know some things are really scary. I looked through the box and wouldn't you know it, I found that detent!!! The detent IS for the top cover!

    http://pookieweb.dyndns.org:61129/be...M/DSCN1743.JPG

    It is really strong too:

    http://pookieweb.dyndns.org:61129/be...M/DSCN1744.JPG



    OK, now I need to look through the box again to see if I can find that spring for the charging handle. If I can guess, the chargin handle locks into the closed position (all the way forward) and this spring keeps it in place. Otherwise it will get slapped by the bolt carrier if it dangles loose.
    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

  6. #16
    U.N.C.L.E. Illya Kuryakin's Avatar
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    Cool - we've now found where all the unknown parts go. Good job - Thanks. I found the hole on the feed tray where the spring and detent go in my kit - good snag. All is well in the world.

    Here's some pixs of the buffer for ya

    BTW - I lucked out with MGS. Got four 200 rnd mags/belts and two 100 rnd mags/belts since that is what they advertised when I bought.

    +1 for MGS for honoring their ad
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  7. #17
    U.N.C.L.E. Illya Kuryakin's Avatar
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    I was just thinking that I didn't see a top cover spring in your photos on your site. Didn't know if you had one.

    The dog leg side of the spring fits into a cutdown area on the top left side of the trunnion behind the cover hinge pin.
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  8. #18
    Gunco Veteran Steelcore1964's Avatar
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    Quote Originally Posted by hcpookie
    Where's Chantily? Up north? I'm moving to Gloucester this summer, so I may be able to make it to those farther-away shows.
    Chantily is about 20 miles south of DC took me 2 hours to get there but worth the drive. Its about 5 min. from NRA HeadQuarts and the National FireArms Musemn

    Did you notice if there are internal rails?
    Yes I did ,I was looking for those and Yes it does have 2 sets of rails something like an AK. The ejector is built into the top rail, it's riveted and spot welded in.
    That which does not kill you, makes you stronger

  9. #19
    Happy Camper hcpookie's Avatar
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    Quote Originally Posted by Illya Kuryakin
    I was just thinking that I didn't see a top cover spring in your photos on your site. Didn't know if you had one.

    The dog leg side of the spring fits into a cutdown area on the top left side of the trunnion behind the cover hinge pin.
    No, I don't have one of those. Spring #3 to add to the missing parts list. I'm going to shake out all the wrapping paper - again - and hope I can find these springs. Otherwise I'll have to scrounge around the hardware stores Is the smaller torsion spring location correct, in that it fastens to the hinge for the feed pawl cover on the RH side? I don't think it would work for the top cover, so I'm pretty sure my top cover spring is missing.

    Yours is a Hungarian kit, right? I got the Romy kit for $1150 which didn't have any accessories. I got the tripod & bipod but no carry strap, cleaning kit, or ammo stuff. I can get ammo stuff so I'm not worried about that, but the carry strap and cleaning kit are a different story. Did you notice how the little oiler is attached at the buttstock? Very cool!
    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

  10. #20
    U.N.C.L.E. Illya Kuryakin's Avatar
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    Here's a photo of most of the small pieces that came with the kit (As I remember the detent and top cover/feed tray pin are both not in this photo). You can see the 2 torsion springs for comparision of size/shape. I believe you're correct with regards to the smaller torsion spring attaching to the feed pawl cover pin.

    BTW - Top cover spring reads 0.082 diameter spring material

    Kit I received is Hungarian. It was expensive but in new condition. Oiler is very cool

    If you find a place that has the attached 100 rnd cans/belts, please let me know. I'd like a couple more of the 100 rounders.
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    Did I do that?

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