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  #1  
Old 05-17-2009, 7:05 PM
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Default How to pin a folding stock open on an AK47, AMD-65, AKS-74, Yugo M70, Romy MD63/MD90

On most Underfolder AK's.
Take a tube like this copper one I have here (.62 inch inner diameter). Cut it to about .72 inches long and then cut it in half. Use one or both halves to clamp onto the UF shaft to prevent the button from being pushed in. Use the hose clamp to secure it. Simple.
Caution: Be sure to buy a hose clamp with a small screw. Make sure there is no contact with the bolt carrier as it moves back during recoil.




AMD-65
This one is real easy. The AMD-65 side folding stock has a push button release on the bottom of the rear of the receiver. It's used to push up on the block that locks the folder in position. Simple remove the screw and spring and add some washers to prevent movement of the button, then screw it back together. I installed a plastic nut on mine and painted it.





FOR MORE STOCK LOCK IDEAS, SCROLL THROUGH ALL OF THE PAGES.
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  #2  
Old 05-17-2009, 10:44 PM
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Bump for great tips
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  #3  
Old 05-18-2009, 12:11 AM
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I would NOT advise the AMD-65 one, if you turn the gun upside down many times the folding lock piece can just fall right out, creating an illegal AW and a SBR. This is what i recomend, remove the screw, place a few washers on the screw, screw the screw back in with the washers in place. Therefore you are unable to press the button down and the stock will not fold.

Once i was selling a gun at irvington arms, i forgot to bring a magazine even though the magazine was locked via setscrew. They would not transfer it without a magazine in place and i had no time to drive home and i did not want to make the seller wait. So with some quick thinking i grab a few washers from my trunk, borrow their screwdriver, place the washers in place rendering the stock unable to fold, remove the pistol grips and wahlah! featureless and 100% ready to transfer. They were more than willing to transfer it after i had done this 5 min transformation, +1 for Irvington arms and Ian!
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  #4  
Old 05-18-2009, 1:02 AM
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^^
You're correct. The top cover on mine was holding the block down. Adding a few washers to prevent the movement of the button and replacing the pin is the way to go.
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  #5  
Old 05-18-2009, 6:31 AM
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To lock the stock on a Tantal, you just use a bic pen's body. Just cut out a little piece that will fit between the folding mechanism before installing it and voila! Won't fold by hand. Only way to take it off is either remove stock assembly or cut it out with an xacto knife.
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  #6  
Old 05-18-2009, 8:42 AM
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That is bad*****, 69Mach1. Thanks for the tip and always finding ways to help us calgunners out. Now I don't have to cosmetically neuter those beautiful stocks!
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Old 05-18-2009, 1:59 PM
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Good stuff. I got 3 folders I got to build.
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  #8  
Old 05-18-2009, 5:15 PM
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Quote:
Originally Posted by 69Mach1 View Post
^^
You're correct. The top cover on mine was holding the block down. Adding a few washers to prevent the movement of the button and replacing the pin is the way to go.
Question: which receiver did you use for the AMD-65?

Great tips on the folders, thanx for the info!
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  #9  
Old 05-18-2009, 7:24 PM
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Quote:
Originally Posted by Psy Crow View Post
Question: which receiver did you use for the AMD-65?

Great tips on the folders, thanx for the info!
There are only two AMD-65 receivers out there that I'm aware of. The first is an imported Hungarian FEG receiver, which is actually a complete rifle from TGI. The other is a US made receiver from Nodak Spud, called the NDS-65. I have the NDS-65.
http://nodakspud.com/page2.htm

Edit: AK builder also has an AMD-65 flat for sale.
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  #10  
Old 06-18-2009, 4:49 PM
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Again 69Mach1 with great info. This is exactly what I was looking for.

-JP
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  #11  
Old 06-18-2009, 8:12 PM
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69Mach1 asked me to add this as another method of locking the AMD-65 side folder:

Unscrew the release button and spring from the bottom of your side folder trunnion block, and replaced it with a M5 - .80 x 12 black hex screw from Home Depot or Lowes.

This method is completely reversibly, if you don't lose the original side folder release button & spring!
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  #12  
Old 07-10-2009, 8:43 PM
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Quote:
Originally Posted by JamesY View Post
To lock the stock on a Tantal, you just use a bic pen's body. Just cut out a little piece that will fit between the folding mechanism before installing it and voila! Won't fold by hand. Only way to take it off is either remove stock assembly or cut it out with an xacto knife.
I can't quite imagine what it is your're referring to, unless you mean the Romanian folding stocks. I finally received my push button version and a portion of a BIC pen body did the trick. I just jammed it inbetween the block and the pin holding the spring in place.

Here you can see the pin holding the spring in place. Remove the pin and slip the cut portion of the BIC pen body over the spring. Compress the spring and drive the pin back in.

Finished pinned Romanian push button folding stock.
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  #13  
Old 07-13-2009, 5:09 PM
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Here's how I fixed the romy push button. I used a modified paper clip and placed in the first coil like a e clip. Slighty shaped to not move.



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  #14  
Old 07-14-2009, 8:53 AM
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That is such a NICE looking yugo.
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  #15  
Old 07-18-2009, 2:27 PM
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Quote:
Originally Posted by qbertquartz2 View Post
Here's how I fixed the romy push button. I used a modified paper clip and placed in the first coil like a e clip. Slighty shaped to not move.



Wow, that is much simpler. Thanks for sharing.

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That is such a NICE looking yugo.
Thank you. It shoots great too. You would think that the U shaped metal stock would really dig into your shoulder, but it doesn't.
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  #16  
Old 08-04-2009, 9:10 AM
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I went to home depot and only found 1/2 inch (seemed too small) and 3/4 inch copper piping (way too big). Where were you able to find the proper diameter piping around Los Angeles? Thanks
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  #17  
Old 08-04-2009, 11:19 AM
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Nm it's the 1/2" pipe that you want
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  #18  
Old 08-04-2009, 11:20 AM
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Ace Hardware.
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  #19  
Old 08-04-2009, 12:40 PM
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Good tips since my next build is going to be an AMD-65!

Greg
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  #20  
Old 09-02-2009, 11:36 AM
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Thumbs up AK Under-Folder Stock Pinning

69 Mach 1,

Awesome thread!

Thanks fro your effort and great photos.

The Photos tell the story.

Now I get how to proceed.

Thanks again!
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  #21  
Old 09-21-2009, 7:40 PM
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Great information thanks so much!!
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  #22  
Old 09-25-2009, 7:07 PM
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Great info, that Yugo UF is so niz that I would like to get one.
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  #23  
Old 09-25-2009, 8:01 PM
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Quote:
Originally Posted by silverfj40 View Post
69 Mach 1,

Awesome thread!

Thanks fro your effort and great photos.

The Photos tell the story.

Now I get how to proceed.

Thanks again!
Quote:
Originally Posted by ENVYGREEN View Post
Great information thanks so much!!
Quote:
Originally Posted by veterosa View Post
Great info, that Yugo UF is so niz that I would like to get one.
Thank you.
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  #24  
Old 10-19-2009, 10:57 PM
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I found that the same hose clamps used to fix an UF will work on a Tapco side folder, you don't really need any other filler to fill the hinge pin gap. I will try to get a pic of the actual gun, but here's a pic I stole from Tapco, hose clamp goes in circled area.

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  #25  
Old 11-17-2009, 11:06 AM
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Quote:
Originally Posted by thedrickel View Post
I found that the same hose clamps used to fix an UF will work on a Tapco side folder, you don't really need any other filler to fill the hinge pin gap. I will try to get a pic of the actual gun, but here's a pic I stole from Tapco, hose clamp goes in circled area.

http://i35.tinypic.com/ir5mz8.jpg
Thanks for the info.
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Old 11-18-2009, 8:09 AM
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great post mach!! this potentially kept me from perminently pinning 3 folders!!!!!
bump for a necessary post!
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  #27  
Old 11-18-2009, 8:26 PM
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Default FIXED AKS SIDE FOLDER



Sleeve and pins. The diameter of the folding stock pin is 3/8 inch.
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Last edited by 69Mach1; 04-20-2010 at 9:29 AM..
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  #28  
Old 12-10-2009, 11:10 PM
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great post mach 1, thank you!!! saved me from destroying a stock...
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  #29  
Old 12-13-2009, 7:15 PM
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Default amd-65

I was lending a hand to a buddy with his newly built amd-65, and we ran across another way to "fix" the side folder. The ak-builder flat does not come with the hole for the folder button drilled big enough. We drilled it with a 1/4" bit, just big enough for the center part of the bolt to fit through. We left out the spring. The receiver flat with the 1/4" hole will not let the button screw all the way in, where you cannot push it, and fold the stock. Accidentally found this out The thing came out nice!
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Old 12-13-2009, 7:32 PM
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Another way to fix a triangle stock:

1) Push the pin in the axle all the way down so the spring covers the head at the top. The pin will project 1/8" or so out the bottom of the axle.

2) Cut the bottom off a scrap receiver (easiest) or bend & cut a piece of metal pictured below. Secure with the pistol grip nut. The notched top surface stops the pin and prevents the axle from moving.



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Old 01-05-2010, 10:39 AM
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Bump for a new year.
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  #32  
Old 01-30-2010, 6:12 PM
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I guess I'll have to assemble the triangle side folder so I can picture what's happening with these different solutions.
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  #33  
Old 01-30-2010, 9:45 PM
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Instead of using a steel tube for the Bulgarian side folder latch a .308 or similar empty case cut to size along with a cotter-pin also works perfectly. It's a cheap and easily made fix. The original spring and lock pin are not used.



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  #34  
Old 01-30-2010, 9:58 PM
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Quote:
Originally Posted by SVT-40 View Post
Instead of using a steel tube for the Bulgarian side folder latch a .308 or similar empty case cut to size along with a cotter-pin also works perfectly. It's a cheap and easily made fix. The original spring and lock pin are not used.

http://i177.photobucket.com/albums/w...s/DSC04450.jpg
http://i177.photobucket.com/albums/w...s/DSC04447.jpg
http://i177.photobucket.com/albums/w...s/DSC04448.jpg
That looks clean. Thank you SVT-40.
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Old 02-10-2010, 8:48 AM
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Quote:
Originally Posted by 69Mach1 View Post
I can't quite imagine what it is your're referring to, unless you mean the Romanian folding stocks. I finally received my push button version and a portion of a BIC pen body did the trick. I just jammed it inbetween the block and the pin holding the spring in place....
Finished pinned Romanian push button folding stock.
Thank you for this!
here's my roughly done job...
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  #36  
Old 02-10-2010, 8:55 AM
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Your welcome.

Hehe, I've got a copy of "Red Dawn" also.
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Old 02-10-2010, 10:15 AM
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Default Thanks goes to WRENCHHEAD for the suggestion.

This is a Romanian lever type folding wire stock. I just drilled through the top into the stock's lug underneath. I only drilled into the lug about a 1/4 inch. Then dropped in a set screw.


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  #38  
Old 02-10-2010, 7:40 PM
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Solution for Polish Tantal.....grind down two "Canadian" pennies (heh) similar to what I did.....jam it in.....done.
Might work for Romanian also? Who knows.......





Last edited by MrNiceGuy; 02-10-2010 at 7:44 PM.. Reason: I spell like a 3rd grader
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  #39  
Old 02-10-2010, 8:29 PM
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Quote:
Originally Posted by MrNiceGuy View Post
Solution for Polish Tantal.....grind down two "Canadian" pennies (heh) similar to what I did.....jam it in.....done.
Might work for Romanian also? Who knows.......

http://i1022.photobucket.com/albums/...G/IMG_4281.jpg
http://i1022.photobucket.com/albums/...G/IMG_4282.jpg
http://i1022.photobucket.com/albums/...G/IMG_4285.jpg
http://i1022.photobucket.com/albums/...G/IMG_4287.jpg
Nicely done, thank you for posting.
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  #40  
Old 02-11-2010, 8:45 AM
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This should be cleaned up and stickied Heck it could be the first sticky in the AK sub-forum if we ever get it.

-G
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