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6/7/2014 9:10:23 PM EDT
I bought one of the royal tiger imports SKS a few months ago.  Finally got to go out and shoot it and it will not shoot semi auto some of the time. I pull the trigger and the rifle will fire,but the bolt will stick to the rear.  Some times it will fire all the rounds normally,but maybe 75% of the time the bolt will stick to the rear.  Anyone know whats causing this.  By the way the ammo I used Tula ammo
6/7/2014 9:12:26 PM EDT
[#1]
Quoted:
I bought one of the royal tiger imports SKS a few months ago.  Finally got to go out and shoot it and it will not shoot semi auto some of the time. I pull the trigger and the rifle will fire,but the bolt will stick to the rear.  Some times it will fire all the rounds normally,but maybe 75% of the time the bolt will stick to the rear.  Anyone know whats causing this.  By the way the ammo I used Tula ammo
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You'll need to open her up and look to see where it is binding... is the bolt sticking past the bolt hold open in the magazine? Is it the bolt hold open jumping upward?

6/8/2014 9:46:21 AM EDT
[#2]
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Quoted:


You'll need to open her up and look to see where it is binding... is the bolt sticking past the bolt hold open in the magazine? Is it the bolt hold open jumping upward?

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Quoted:
Quoted:
I bought one of the royal tiger imports SKS a few months ago.  Finally got to go out and shoot it and it will not shoot semi auto some of the time. I pull the trigger and the rifle will fire,but the bolt will stick to the rear.  Some times it will fire all the rounds normally,but maybe 75% of the time the bolt will stick to the rear.  Anyone know whats causing this.  By the way the ammo I used Tula ammo


You'll need to open her up and look to see where it is binding... is the bolt sticking past the bolt hold open in the magazine? Is it the bolt hold open jumping upward?




Bolt is sticking all the way to the rear
6/8/2014 4:54:04 PM EDT
[#3]
i assume the sks was properly cleaned and degreased before taking it to the range.
6/8/2014 6:21:51 PM EDT
[#4]
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Quoted:
i assume the sks was properly cleaned and degreased before taking it to the range.
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Yes
6/9/2014 2:27:17 PM EDT
[#5]
When you reinstalled the recoil spring assembly after cleaning it, did you install it with the 'flexible' end into the bolt carrier?
6/10/2014 1:17:06 PM EDT
[#6]
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Quoted:
When you reinstalled the recoil spring assembly after cleaning it, did you install it with the 'flexible' end into the bolt carrier?
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Yes
6/12/2014 1:37:56 AM EDT
[#7]
With the magazine open, pulling the bolt handle to the rear rapidly and letting go of it, can you duplicate the problem? Gun obviously empty, of course.
6/12/2014 4:02:58 PM EDT
[#8]
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Quoted:
With the magazine open, pulling the bolt handle to the rear rapidly and letting go of it, can you duplicate the problem? Gun obviously empty, of course.
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No
6/16/2014 2:04:18 AM EDT
[#9]
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No
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Quoted:
With the magazine open, pulling the bolt handle to the rear rapidly and letting go of it, can you duplicate the problem? Gun obviously empty, of course.



No


It's probably the bolt hold-open then. Something is causing it to engage when it shouldn't. Any burrs on the bolt hold-open? Does it pop back down easily when the magazine follower is depressed?
6/17/2014 5:46:44 PM EDT
[#10]
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Quoted:



It's probably the bolt hold-open then. Something is causing it to engage when it shouldn't. Any burrs on the bolt hold-open? Does it pop back down easily when the magazine follower is depressed?
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Quoted:
Quoted:
With the magazine open, pulling the bolt handle to the rear rapidly and letting go of it, can you duplicate the problem? Gun obviously empty, of course.



No



It's probably the bolt hold-open then. Something is causing it to engage when it shouldn't. Any burrs on the bolt hold-open? Does it pop back down easily when the magazine follower is depressed?



I don't see or feel any burrs on the bolt hold open.  And it does pop back down easily when the magazine follower is depressed.
6/17/2014 7:17:57 PM EDT
[#11]
Man, I wish I was there for about 30 minutes so I could look at, and manipulate it to see what the problem is. These guns are pretty simple to mechanic on (except for the trigger group). Sorry I couldn't be of more help. Mark
6/18/2014 12:56:32 PM EDT
[#12]
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Quoted:
Man, I wish I was there for about 30 minutes so I could look at, and manipulate it to see what the problem is. These guns are pretty simple to mechanic on (except for the trigger group). Sorry I couldn't be of more help. Mark
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I appreciate all the help
6/18/2014 8:09:39 PM EDT
[#13]
I just had an idea. Could the bolt carrier be riding up out of the frame rails at the end of it's travel? I can't think what would cause it to do so, but it seems like it would duplicate the stoppages you are experiencing. When you have a stoppage and the bolt locks to the rear, what do you have to do to to get it to close?
6/20/2014 9:19:14 AM EDT
[#14]
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Quoted:
I just had an idea. Could the bolt carrier be riding up out of the frame rails at the end of it's travel? I can't think what would cause it to do so, but it seems like it would duplicate the stoppages you are experiencing. When you have a stoppage and the bolt locks to the rear, what do you have to do to to get it to close?
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I don't think it coming out of the rails. When I do get the stoppage all I have to do is push the bolt forward
6/23/2014 9:10:12 AM EDT
[#15]
All the way forward? Or just a little and the spring takes over?
Could the bolt be binding on the top of the hammer?
Any burrs on the rails of the receiver or bolt body? Look at them under a bright light. I would be tempted to fire it without the recoil spring in place just to see how the bolt and carrier ended up. Maybe try lubing the rails with grease. Can you see any metal shaving anywhere?
6/23/2014 9:28:13 AM EDT
[#16]
Quoted:
I bought one of the royal tiger imports SKS a few months ago.  Finally got to go out and shoot it and it will not shoot semi auto some of the time. I pull the trigger and the rifle will fire,but the bolt will stick to the rear.  Some times it will fire all the rounds normally,but maybe 75% of the time the bolt will stick to the rear.  Anyone know whats causing this.  By the way the ammo I used Tula ammo
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Try the sksboards.com.

If you cant come up with an answer over there then it aint fixable.
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