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Old 10-08-2012, 02:55 PM   #1
iklindo
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Default WTS: Bulgy AK-104/105 FSB Detent Pin Set

Gents,

I'm starting a batch of Bulgy AK-10X pin sets. So far I have the following folks who have committed to buying a set:

1. DOJO
2. Falboy
3. ott1
4. bpittman91
5. gowking
6. HarleyF250Guy x 2
7. Derekthecoonass - Payment received
8. alphadog123 x 3
9. cantshoot4shit
10. varickm - Payment received - Shipped
11. OneEyedJack75 x6 - Payment received
12. I.Oak47 x 2
13. cadence x 2
14. downsouthak
15. jkacg1 - Payment received - Shipped
16. AeroKroil74 x 2 - Payment sent
17. He219
18. Baderrick - Payment received

Please let me know if interested so that I may put you down on the list.

Photos of the finished pin are available below:


https://plus.google.com/photos/11433...01139189762673

Thanks

Last edited by iklindo; 11-30-2012 at 05:03 PM.
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Old 10-08-2012, 03:19 PM   #2
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Im interesred
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Old 10-08-2012, 03:30 PM   #3
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Are we talking about the FSB detent pin?
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Old 10-08-2012, 03:31 PM   #4
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Quote:
Originally Posted by cadence View Post
Are we talking about the FSB detent pin?
That's the one.
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Old 10-08-2012, 04:10 PM   #5
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So if we are talking detent + spring + pin... what would be your price?

I can imagine that stuff like that can be mailed in first class envelope for 60-some cents (it would not be "flat" / machine processed anymore)

If the price is right I could use qty (2) spare sets
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Old 10-08-2012, 04:22 PM   #6
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Well, It's definitely $20 + shipping. I don't make any money on shipping and don't have time to custom ship. Also, recently I'v had a number of pieces lost by USPS. So, the last thing I want to do is send anything without tracking and insurance.
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Old 10-08-2012, 05:42 PM   #7
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I mentioned in the other Yugo thread that I was interested. I am currently ready to buy two Bulgy sets as soon as available.

Based on my understanding there is a difference in the Russian and Bulgarian sets that I have not seen mentioned. I am sure that at least the retaining pin is different between the Russian and Bulgarian types. This is from Tantal's site, and the Bulgarian one is on the left:

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Old 10-08-2012, 06:00 PM   #8
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i need 2+
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Old 10-08-2012, 06:16 PM   #9
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Quote:
Originally Posted by Derekthecoonass View Post
I mentioned in the other Yugo thread that I was interested. I am currently ready to buy two Bulgy sets as soon as available.

Based on my understanding there is a difference in the Russian and Bulgarian sets that I have not seen mentioned. I am sure that at least the retaining pin is different between the Russian and Bulgarian types. This is from Tantal's site, and the Bulgarian one is on the left:

Good point. Lets focus on the Bulgy...
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Old 10-08-2012, 06:22 PM   #10
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I would be interested in 4 Bulgarian sets and maybe 2 more.
Thanks
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Old 10-08-2012, 06:24 PM   #11
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I want a set.
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Old 10-08-2012, 06:41 PM   #12
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I would like a set
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Old 10-08-2012, 08:18 PM   #13
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In for at least 3 sets.

-G
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Old 10-16-2012, 03:31 PM   #14
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Any updates to this?

-G
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Old 10-16-2012, 06:56 PM   #15
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I need 3 sets
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Old 10-16-2012, 08:58 PM   #16
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Ok..ok... Do any of you have calipers? I need the diameter of the cross pin hole. I've made several sets but want to make sure I don't send anything out that doesn't fit.

Last edited by iklindo; 10-16-2012 at 10:04 PM.
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Old 10-16-2012, 09:30 PM   #17
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The hole is about 0.108" - 0.109"
I can just get a 7/64" drill bit in it. It's snug.
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Last edited by Derekthecoonass; 10-16-2012 at 09:45 PM. Reason: trying to be percise
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Old 10-16-2012, 10:05 PM   #18
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Quote:
Originally Posted by Derekthecoonass View Post
The hole is about 0.108" - 0.109"
I can just get a 7/64" drill bit in it. It's snug.
Thanks
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Old 10-16-2012, 10:12 PM   #19
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Is that the actual intended diameter or just a pilot hole to be drilled through for a long 3mm pin? How would you remove the cross pin if it doesn't go all the way through?

-G
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Old 10-16-2012, 11:58 PM   #20
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Quote:
Originally Posted by gowking View Post
How would you remove the cross pin if it doesn't go all the way through?

-G
I used EDM to burn it out. And you're right about that being the pilot hole. You have to drill all the way through the barrel to pin in place.

Anyways, I made my cross-pin 3mm. One can probably use the Bulgy fsb pin diameter of 2.45mm as the lower pin and the cross-pin.
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Old 10-17-2012, 12:19 PM   #21
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I think it is supposed to be a blind pin, when seated sits below flush with the top of the hole and then is staked to the left and right to keep it in place.
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Old 10-17-2012, 04:19 PM   #22
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Quote:
Originally Posted by Derekthecoonass View Post
I think it is supposed to be a blind pin, when seated sits below flush with the top of the hole and then is staked to the left and right to keep it in place.
It's not.
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Old 10-17-2012, 05:31 PM   #23
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I went back and looked at Tantal's site. It says "the pin must either be installed blind or used as a barrel pin". The Russian design is a through pin, looks like Bulgy could go either way; through pin or blind pin. I don't care, I'm ready to buy. Through pin is fine. Blind pin is fine.


http://www.avtomats-in-action.com/parts7.html

Anyone have any reference material beyond Tantal's site or is the knowledge based on what they have seen done before?
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Old 10-17-2012, 06:55 PM   #24
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My vote is for a through pin. I don't like the idea of needing specialized tools to get the pin out for any reason.

-G
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Old 10-17-2012, 08:26 PM   #25
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I think iklindo should probably make it as a through pin and if someone wanted to do the blind pin method they would just shorten the pin. No big deal.
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Old 10-18-2012, 01:15 AM   #26
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The diameter is still important. It should be at least the same diameter or greater than the other pin for the fsb/gb.
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Old 10-18-2012, 05:40 AM   #27
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Quote:
Originally Posted by ott1 View Post
The diameter is still important. It should be at least the same diameter or greater than the other pin for the fsb/gb.
What did you say that the Bulgy FSB/GB pin was? 2.45mm? That 7/64" drill bit that I barely got in the hole should be 2.778mm/0.109" which is greater, so it would need to be say 2.778 - 3mm in diameter. 7/64" bits being common.....I'd probably go that way.

What do you think?
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Old 10-18-2012, 07:37 AM   #28
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I am down for two sets!
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Old 10-18-2012, 11:05 AM   #29
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Alright, cool. Just a heads up, I'm going to start making these within the next two weeks. I've been slammed with the M92 pins and the cross pin on the Bulgy has proven to be a little difficult.
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Old 10-18-2012, 11:11 AM   #30
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I tried O1 Tool Steel Tight-Tolerance Rod, .1094" Diameter and its too thick. Back to the drawing board.
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Old 10-18-2012, 12:55 PM   #31
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Quote:
Originally Posted by Derekthecoonass View Post
What did you say that the Bulgy FSB/GB pin was? 2.45mm? That 7/64" drill bit that I barely got in the hole should be 2.778mm/0.109" which is greater, so it would need to be say 2.778 - 3mm in diameter. 7/64" bits being common.....I'd probably go that way.

What do you think?
If you're going with 7/64 cross-pin, you might as well use another and cut it for the shorter pin.
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Old 10-20-2012, 12:16 PM   #32
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I order two test rods, slightly smaller in diameter .108 and .106.. One of them should work!
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Old 10-24-2012, 01:07 PM   #33
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So, I got the detent pin and cross pin combination working for the Bulgarian. I've sent the first finished set out to one of the members. Once I have confirmation that everything is good I'll start producing these and will send you all information on ordering.

Thanks!
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Old 11-06-2012, 05:31 PM   #34
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Any news?

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Old 11-06-2012, 05:44 PM   #35
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Quote:
Originally Posted by iklindo View Post
So, I got the detent pin and cross pin combination working for the Bulgarian. I've sent the first finished set out to one of the members. Once I have confirmation that everything is good I'll start producing these and will send you all information on ordering.

Thanks!
waiting in anticipation....
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