Author Topic: 1950 transitions  (Read 291 times)

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Offline jstin2

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1950 transitions
« on: May 29, 2018, 09:09:25 PM »
Added -  50 with long tab receiver cover latch - #5

I have been interested in the way the 50s changed. Thanks to info from various experts, I have tried to follow this change.
1. 50  with all 49 features including spike bayonet. This one is questionable as it is the only one recorded with pictures and S/Ns are in question.
          https://ibb.co/album/kP3zJv
2. 50  with blade bayonet. Stock and stock ferrule needed to be replaced from the 49, but still has remaining 49 features.
          https://ibb.co/album/hva8WF
3. 50  gas port replaced with 45. Still retains engraved S/N, hand stamped tula star, and spring FP.
          https://ibb.co/album/jWEABF
4. 50  with stamped date and tula star. Change to stamped eyelet receiver cover takedown latch. Retains spring FP.
          https://ibb.co/album/cwJsQa
5. 50  with stamped date and tula star. Change from stamped eyelet receiver cover takedown latch to long tab latch.
          https://ibb.co/album/iv23gF
6. 50  with stamped date and tula star. Change from receiver cover long tab latch to short.
          https://ibb.co/album/j3SxrF
7. 50  with stamped date and tula star. Change to stamped solid receiver cover takedown latch(late 50 to 58).Retains spring FP.
          https://ibb.co/album/gw3bka
8. 50 with stamped date and tula star. Change to free floating firing pin.
          https://ibb.co/album/d2yxQa
Now this is only what I have noticed and documented. There may be other items missed. These carbines are refurbished so anything goes. Additional pictures upon request.
« Last Edit: June 14, 2018, 04:35:12 PM by jstin2 »

Offline running-man

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Re: 1950 transitions
« Reply #1 on: June 01, 2018, 10:29:38 AM »
There's one more that you don't have listed jstin: the transitional long tab takedown lever between #4 and #5:


Noticeably different than the standard (short) tab used from late '50 through the end of production:


Found prefixes for this style (so far, this is obviously not all inclusive) are:
ДА
ДО
ЛМ
ЛЮ
СА
СК
СМ
СН
СО
СЯ
ША
ШГ
ШН
      

Offline jstin2

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Re: 1950 transitions
« Reply #2 on: June 01, 2018, 01:38:20 PM »
Thanks for the info. Now one more to look for. You had mentioned long tab solid in another post but I was unsure what it looked like. Do you have any side views of lever?
« Last Edit: June 01, 2018, 05:01:35 PM by jstin2 »

Offline jstin2

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Re: 1950 transitions
« Reply #3 on: June 07, 2018, 03:14:38 PM »
I purchased a 50 from a private sale. When I was checking it over, I noticed that it also had a spring  F/P. Then when apart, I noticed that the receiver cover latch pin hole was larger and the pin was also large. I then checked my 50 with free floating F/P and it also was the same.  Checked #5 later spring loaded F/P and it had larger latch pin hole. Added pictures of  free floating F/P receiver cover and latch pin to #6.

Here are some pictures of the SKS I received today. This would indicate another transition between #4 and #5. Also any idea what the extra stamps on receiver by S/N are?

https://ibb.co/album/j3SxrF

I checked carbine on #4 and it had early latch pin hole, #5 had the larger pin hole (both are spring loaded). The only other change between covers were the arrow design in tula star and eyelet to solid latch pin.

Possibly change to receiver cover hole was made when they went to a solid latch pin?
« Last Edit: June 07, 2018, 07:32:32 PM by jstin2 »

Offline jstin2

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Re: 1950 transitions
« Reply #4 on: June 07, 2018, 07:30:47 PM »
Added receiver cover pictures to #4 and #5. Also picture of trigger opening in receiver. 1950 may have been when they changed the shape of opening. Time to check your 50s.
« Last Edit: June 07, 2018, 08:04:42 PM by jstin2 »

Offline running-man

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Re: 1950 transitions
« Reply #5 on: June 07, 2018, 09:47:20 PM »
Here are some pictures of the SKS I received today. This would indicate another transition between #4 and #5. Also any idea what the extra stamps on receiver by S/N are?

You have a УЧ Ы marked Russian training gun

Nice gun!  thumb1

Undoubtedly the pin and receiver cover hole are intertwined, one doesn't get changed w/o affecting the other.  Receiver cover innards are rarely photographed, I've got nothing in my records to show when this transition might have happened.  I'm surprised it's a separate change from the stamped "1950" date.  You'd think that when they changed one they might have changed both.   dntknw1
      

Offline running-man

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Re: 1950 transitions
« Reply #6 on: June 07, 2018, 10:18:22 PM »
Do you have any side views of lever?

Sorry, hadn't seen this request.  Here are a few side shots:









      

Offline jstin2

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Re: 1950 transitions
« Reply #7 on: June 07, 2018, 11:18:11 PM »
running-man, thanks for the information. Are these training guns scarce? I was impressed with condition of carbine when it arrived, seller had a couple of pictures in ad and I was not able to get a close look.

Offline running-man

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Re: 1950 transitions
« Reply #8 on: June 08, 2018, 11:29:32 AM »
Training guns marked with the УЧ Ы aren't commonly seen, but one could argue that it's just a simple stamp on an otherwise typical SKS45 (or AK/PM/optic, or whatever).  As far as I know, the УЧ Ы stamp offers very little in the way of additional market price.

Your specimen is quite nice, all training guns are definitely not all like that; they run the gambit from non-functional models to pristine guns pulled fresh off the line.  Your stock has clearly been refinished but it's likely original and currently looks as-issued.  I don't see many '50s in that nice of condition to be honest, most have replacement parts, BBQ paint, refurb stamps, etc.  thumb1 
      

Offline jstin2

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Re: 1950 transitions
« Reply #9 on: June 13, 2018, 06:47:06 PM »
Added pictures of 50 with Long Tab receiver cover latch pin - #5. This should be the extent of transitions during 1950. Also it should be noted that receiver cover and latch pin are early style(small pin opening). Also opening for trigger is early style.  i noticed that the number 1 on trigger and magazine are different from rest of S/Ns.
« Last Edit: June 13, 2018, 08:37:16 PM by jstin2 »

Offline jstin2

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Re: 1950 transitions
« Reply #10 on: June 14, 2018, 11:29:59 AM »
running-man, You had mentioned that there were 4 styles of receiver cover latch pins for 1950, there are actually 5. 49/50 had forged eyelet, then stamped eyelet, large latch, small latch then the final one that they stayed with till end of production. You can see differences in pictures.

https://ibb.co/album/d36tFa
« Last Edit: June 14, 2018, 12:17:51 PM by jstin2 »

Offline running-man

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Re: 1950 transitions
« Reply #11 on: June 14, 2018, 11:51:35 PM »
I was unaware the retaining pin changed diameter in this transition.  That feature is almost never photographed and posted. I bet most collectors gloss over that detail, I know I did.  It would be interesting to catalogue in what S/N's this transition takes place. We could then "chronologicalize" all '50's based on their respective transition feature. Would need a much bigger dataset though, three or four specimens per prefix set with matching features would be ideal. Maybe I'll incorporate a question like this into the Russian survey.   think1