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Rifter

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So took my newly acquired SKS out for the second time, and have a serious problem.

First time out i put 100 rounds through it, no issues, noticed the trigger was extremely soft compared to my other one and suspected mr dremal might have visited it in the past, either way no issues for first 100 rounds, that was last weekend. Took it home, cleaned it, took it out again today.

Now today i get out to my shooting spot load 2 rounds into it(always start with 2, thank god) and pull the charge handle and as soon as it snapped forward it fired the first then the second round immediately, my finger was not on the trigger and the safety was in the on position. Scared the #### outta me but luckily i have good muzzle control and was pointed downrange.

Note i disassembled the bolt last weekend to clean it and the firing pin was not in any way stuck or gummed up and rattled very freely, i checked this today before loading it. Firing pin was also at the back of the bolt not the forward position when i released the charge handle i visually inspected it right before i released the charge handle.

Tested it with one more round and same thing, fired as soon as bolt was in forward position, again safety on, finger off trigger.

Tested it with one round but i eased the bolt VERY SLOWLYforward into position instead of letting the spring do it, didnt fire, pulled trigger with safety on, didnt fire. Turned safety off and pulled trigger and it fired normally.

Strange i thought, maybe its the spring, as this SKS seems almost new and the main spring is at least 4 times stronger than my other sks, so figured maybe it was just hitting the round into the chamber to hard and causing it to fire, a long shot i know but i swaped the spring with my other sks's much weaker spring and it did the same thing, fired immediately upon bolt closing so not the issue.

Now i suspected the trigger was malfunctioning. So i swapped the trigger with my other SKS. Loaded a round, and pulled the charge handle and all was well, locked forward but didnt fire. I then proceeded to load one round at a time for 30 rounds and didnt once have a issue, problem solved, trigger was the issue.

Just for ####s and giggles i put the malfunctioning trigger into my old SKS with the weak spring and it did the same thing, fired immediately, so double confirmed trigger is issue.

So my question is what could cause this? keeping in mind it worked fine for 100 rounds last weekend then went sideways on me today.

Im about to take the trigger apart and will post pics once its disassembled. I need to fully clean both guns first and there is a hockey game tonight so might be tomorrow before i can post pics.

Thanks guys.
 
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Ok just ran through the testing, step 11 results in a click which according to them means semiautomatic mode, so im thinking this isnt my issue/

EDIT TO ADD.

Also the RCMP site says this effects later triggers but in their diagram my malfunctioning trigger is the early version and my functioning trigger is a later version. So really dont this that issues is the same as my issue.
 
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If your sear mag release spring is weak the shock of the carrier moving forward can knock the sear out from under the hammer. It could be a few other things though. A really bad negative sear engagement could also cause this.
 
Also the RCMP site says this effects later triggers but in their diagram my malfunctioning trigger is the early version and my functioning trigger is a later version. So really dont this that issues is the same as my issue.

When you pull the carrier back try to be really rough with it. Pull it back fast and after it hits the back let you hand slip so it slams forward. Try it a few times to make sure.
 
I always was wonder what will be the reason for RCMP to prohibit SKS. The answer is easy - people who use them.
 
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Now we are going to to have problems with all SKS. I always was wonder what will be the reason for RCMP to prohibit SKS. The answer is easy - peoples who use them.


Lol there would be so much uproar and so many people effected it would make the Swiss arms and 858 look like a joke.
 
Have a problem with SKS? Why? Its not FA, its clearly a malfunctioning firearm. No different than if your firing pin was stuck forward. Pretty much any firearm with a free floating firing pin can have it stuck forward and cause slamfire. Stop being so melodramatic.

remove the top cover and recoil spring and observe the hammer as you slowly squeeze the trigger. What does the hammer do? Does it drop slightly then release? does it remain stationary then release or does it creep upwards then release? A trigger that creeps upward has a negative sear engagement and can and does lead to unintentional fire from being bumped, sometime the bolt slamming forward is enough. If tahts the case the sear engagement profile needs to be reshaped. Basically you want a neutral or slight positive engagement where the two sear mating surfaces being pressed together by the spring cause the two surfaces to try and bite further together and not away from each other.
 
Now we are going to to have problems with all SKS. I always was wonder what will be the reason for RCMP to prohibit SKS. The answer is easy - people who use them.

That and the law doesn't work that way, the mounties being able to prohibit an entire gun type because they want to.

SKS a variant of a name prohib? Nope.

SKS designed as a full auto? Nope.

Individual guns malfunction or modified into full auto? Well those specific, individual guns are an issue. Not the entire line.

The only thing that can prohibit the entire SKS fleet is an act of elected government. An order in council. Not the lab, not the mounties.
 
Yes, an automatic continues to fire as long as you have the trigger pulled and the rifle has ammo, yours is not automatic it is malfunctioning, you said yourself you did not touch the trigger, so it is broke, that is it!
 
Thank your lucky stars, in my opinion. The gods have deliver a fully automatic Kalashnikov unto thee !! Find a secluded place, keep the "malfunctioning" trigger--and enjoy the pleasure of full auto fire. P.S. Keep your little secret to yourself.
 
Have a problem with SKS? Why? Its not FA, its clearly a malfunctioning firearm. No different than if your firing pin was stuck forward. Pretty much any firearm with a free floating firing pin can have it stuck forward and cause slamfire. Stop being so melodramatic.

remove the top cover and recoil spring and observe the hammer as you slowly squeeze the trigger. What does the hammer do? Does it drop slightly then release? does it remain stationary then release or does it creep upwards then release? A trigger that creeps upward has a negative sear engagement and can and does lead to unintentional fire from being bumped, sometime the bolt slamming forward is enough. If tahts the case the sear engagement profile needs to be reshaped. Basically you want a neutral or slight positive engagement where the two sear mating surfaces being pressed together by the spring cause the two surfaces to try and bite further together and not away from each other.
Good thinking man...
 
"its automatic alright", smart title for a thread. Against board rules.
What do you gain from posting here?

how is this against rules? It is currently operating in an automatic manner, you would think from the OP that you would have figured out i am aware its not supposed to and it malfunctioning.
 
Have a problem with SKS? Why? Its not FA, its clearly a malfunctioning firearm. No different than if your firing pin was stuck forward. Pretty much any firearm with a free floating firing pin can have it stuck forward and cause slamfire. Stop being so melodramatic.

remove the top cover and recoil spring and observe the hammer as you slowly squeeze the trigger. What does the hammer do? Does it drop slightly then release? does it remain stationary then release or does it creep upwards then release? A trigger that creeps upward has a negative sear engagement and can and does lead to unintentional fire from being bumped, sometime the bolt slamming forward is enough. If tahts the case the sear engagement profile needs to be reshaped. Basically you want a neutral or slight positive engagement where the two sear mating surfaces being pressed together by the spring cause the two surfaces to try and bite further together and not away from each other.

Creeps forward about 1/8 to 1/4 inch then drops.

Think i found the issue, thank you for actually posting a helpful response.
 
Sounds like slam fire which the sks is prone to. The firing pin gets gummed up and causes it to stick forward and as you slam the bolt home it fires on impact. And continues till there isn't a round left. They have spring kits you can buy to correct the issue. But I find if you pull the bolt and firing pin apart everytime you clean it stays loose.
 
Sounds like slam fire which the sks is prone to. The firing pin gets gummed up and causes it to stick forward and as you slam the bolt home it fires on impact. And continues till there isn't a round left. They have spring kits you can buy to correct the issue. But I find if you pull the bolt and firing pin apart everytime you clean it stays loose.

Read post #1 completely.
 
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