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SKS questions and possible answers

Kivaari emailed me this morning and the trigger is on the way back. So looks like 6 week turn around. This is his update

Hammer was a little "short" apparently from the factory. So I swapped out the sear with another I had that was taller to help mitigate the metal lost in the hammer. I straightened the disconnector also...Sear had to be clearanced a great deal from your disconnector so it's very light sear, which is good too.
Works well now with about 4 1/4# weight with the heavy factory hammer spring.
Let me know how it works for you
Thanks for the kind business
Tom

Got the trigger today. Installed it and did some dry firing. It is like a whole new gun. About an eighth inch of take up at first then a fairly long but smooth 4.25 pound pull. No hitches at all. Can't wait to fire it.
 
Got the trigger today. Installed it and did some dry firing. It is like a whole new gun. About an eighth inch of take up at first then a fairly long but smooth 4.25 pound pull. No hitches at all. Can't wait to fire it.

Looking forward to a range report.
 
Got the trigger today. Installed it and did some dry firing. It is like a whole new gun. About an eighth inch of take up at first then a fairly long but smooth 4.25 pound pull. No hitches at all. Can't wait to fire it.

What was the trigger pull before? Just curious how much lighter it is than stock?
 
What was the trigger pull before? Just curious how much lighter it is than stock?
I never measured the pull but i would say if i guessed probably 8 pounds. Problem was not a "heavy" trigger. It had more hitches than the budweiser clydesdales and it went "auto" on my once firing two rounds with one press of the trigger. Upon some research discovered it has negative engagement so the hammer would ease forward as the trigger was squeezed.

This gunsmith is a specialist in sks triggers and so far so good. Ill take it to the range pribably sunday.
 
I never measured the pull but i would say if i guessed probably 8 pounds. Problem was not a "heavy" trigger. It had more hitches than the budweiser clydesdales and it went "auto" on my once firing two rounds with one press of the trigger. Upon some research discovered it has negative engagement so the hammer would ease forward as the trigger was squeezed.

This gunsmith is a specialist in sks triggers and so far so good. Ill take it to the range pribably sunday.

Wow. Definitely sounds like a major improvement.

This reminds me that I need to dust off my Norinco SKS and shoot it. It's probably been at least 2 years since I last shot it...
 
I had a Glitch in my Russian trigger and just incase I ordered a Sear and disconnector from AIM and before I installed I found out the issue was a slight bend forward on the disconnector and after a very slight bend up it was smooth. My stock Chinese trigger is very smooth at 6lb
 

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Looking to get the muzzle threaded on my Model M SKS that I have tucked in an SGworks kit. Is 14mm lh the only option or could I go with 1/2-28
 
So got to shoot the SKS yesterday with the trigger from kivaari. Trigger is amazing. Tightened up my shit groups and it was enjoyable to fire. Until the magazine started to open up with each shot dumping the rounds on the bench. Never did that before. Little frustrated.
 
So got to shoot the SKS yesterday with the trigger from kivaari. Trigger is amazing. Tightened up my shit groups and it was enjoyable to fire. Until the magazine started to open up with each shot dumping the rounds on the bench. Never did that before. Little frustrated.
Ouch. Sorry to hear that.
 
When I pull back on the catch it has spring tension

Yeah, just a stab in the dark on my part. I've never had any of my SKSs do that. Have you had a chance to compare yours to another one that doesn't dump the mag to see if the tension on yours is strong enough? Just thinking out loud here.

Is the mag a replacement or does it match the receiver and trigger group?
 
Yeah, just a stab in the dark on my part. I've never had any of my SKSs do that. Have you had a chance to compare yours to another one that doesn't dump the mag to see if the tension on yours is strong enough? Just thinking out loud here.

Is the mag a replacement or does it match the receiver and trigger group?

It's the original. Good idea on comparing but I only own he one. I'll go to a gun shop and check some out.

This problem gives new meaning to the term "mag dump". Lol
 
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So got to shoot the SKS yesterday with the trigger from kivaari. Trigger is amazing. Tightened up my shit groups and it was enjoyable to fire. Until the magazine started to open up with each shot dumping the rounds on the bench. Never did that before. Little frustrated.

Kivaari got back to me already. Says the problem is it needs a stronger sear/mag spring. Has offered for me to return it for rework or he will send me a spring and instructions. He apologized for the issues. I've asked for him to send me the spring.
 
AIM SURPLUS has unissued ones for 3.95 (Latch/sear spring)

Just incase

He must have removed a good amount off the angle of the sear to shorten the pull, not a bad thing but this can happen. Some just stretch the spring but I'm sure he knows what he's doing
 
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AIM SURPLUS has unissued ones for 3.95 (Latch/sear spring)

Just incase

He must have removed a good amount off the angle of the sear to shorten the pull, not a bad thing but this can happen. Some just stretch the spring but I'm sure he knows what he's doing

How hard is that spring to change? He's gonna send some instructions
 
That is an early tabbed-carrier Russian bolt, 1949-1950 only. It is originally built with a springed firing pin. The Soviets upgraded the tab-less floating pin design in 1951 through the end of production.

The retaining pin is not standard when compared to later Russian, Chinese, Romanian and Albanian (Yugo retaining pins are altogether different than all the above). Here are some pics of both a '49 and '50 bolt, to show the tabbed carrier feature. But you can also see the large firing pin striking head, and both sides of the retaining pin.

If you need to use that particular bolt, you will need to have a pin machined with an exact fit (slight interference). I doubt that anyone makes replacement pins for that uncommonly encountered bolt.

If you ultimately need to replace the bolt, you will need to replace the carrier, too.

49_tula_018.jpg

50_russian_010_2_.jpg

50_russian_012_3_.jpg
 
That is an early tabbed-carrier Russian bolt, 1949-1950 only. It is originally built with a springed firing pin. The Soviets upgraded the tab-less floating pin design in 1951 through the end of production.

The retaining pin is not standard when compared to later Russian, Chinese, Romanian and Albanian (Yugo retaining pins are altogether different than all the above). Here are some pics of both a '49 and '50 bolt, to show the tabbed carrier feature. But you can also see the large firing pin striking head, and both sides of the retaining pin.

If you need to use that particular bolt, you will need to have a pin machined with an exact fit (slight interference). I doubt that anyone makes replacement pins for that uncommonly encountered bolt.

If you ultimately need to replace the bolt, you will need to replace the carrier, too.

49_tula_018.jpg

50_russian_010_2_.jpg

50_russian_012_3_.jpg


Thanks so much for the help!!!
 
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