CZ 858 dead trigger
- Thread starter Sardaukar
- Start date
Look at posted picture.
How will prying upwards gently on the dustcover muck up the trigger group? If anything, you are taking pressure off the trigger group.
The dustcover has two springs, an action spring and a striker spring. If the bolt carrier is forward that means the action spring isnt the problem. Its most likely the striker jammed in the rearward position, either by failing to be released by the sear because your trigger s**t the bed, or the sear is jammed upwards by a broken peice of trigger mech/debris(unlikely)
Now the striker is held in its rearmost position by the upwards pressure of the sear and sear spring, which is then released by the trigger, causing the striker to go forwards firing a round etc.
By prying upwards on the dust cover with the striker jammed backwards the most you can do is bend,or in worst case break, the striker spring guide rod, or cause the striker to hop off the sear connecting surface.
In that case the striker should move forwards, releasing the dustcover assembly. Pull down on the sear with a hooked tool at the same time you slowly pry upwards on the dustcover. It should go the last 2mm you need without damaging the rifle. Make sure you pull on the sear itself, not just the sear spring, which is the flat piece of springy metal underneath the sear.
Its not the ideal method of course, as it has the potential to bend/break the striker spring guide rod. It may also bend/break the striker,however that is highly highly unlikely as the striker is much thicker and heavier than the guide rod.
Once you have the dustcover off you should be able to see why the trigger is failing to release the striker. Post a picture and we should be able to get you sorted out.
You will notice that the sear is not the part holding back the stricker. Hence prying up on the rear cover will just break or bend stuff. When that should be the last resort. Are all the trigger pins flush with the reciever side walls like I previously asked? Since the chamber is closed can you with your finger freely move the bolt? (Do this by flipping the rifle upside down and looking threw the magwell try rockiing the bolt back and forth.)So I have this tool:
And I beleive the sear is this part:
So I pull on it, then what?
Also can you move the bolt carrier with your thunb and few mm's before you notice tension or is it locked in place?
Answering these questions will better inform me about what happend and how or what you have to do to fix your rifle.
Im not sure what you mean with the sear not holding back the striker? Are you suggesting the sear has shifted on its pin and is not engaging properly on the striker? The arrow is pointing at the sear spring, and above it is the striker spring. The photo is quite bad so its hard to tell whats what. Care to elaborate?
Also, it might be a stupid question, but is your safety on? If its on safe, obviously the trigger wont engage the sear which wont release the striker.
Also, it might be a stupid question, but is your safety on? If its on safe, obviously the trigger wont engage the sear which wont release the striker.
DrakeriderCa
CGN Regular
I've seen a few of these before. If it is what I think it is, the sear pin is cut to incorrect dimensions, allowing the sear to slip to the side and fail to release the striker. Try pushing the sear pin side to side and see if you have any play. While you push it side to side, keep working the trigger to see if it will release the sear. If it does, then you can disassemble the rifle normally.
This happened to my buddy a while ago.. this is how we fixed it for good. :
Could you write a detailed post on this? I will FAQ it.
Mine had the same trigger slop as in the video. And mine is pretty much "new". There wasn't enough slop to cause it to malfunction but it wouldn't take much wear to make it happen.
But I'm not too worried. This is cheap fun and easy to fix. And when I say my gun is "new" I realize that it is a good possibility that not everything in these guns is brand new off the factory floor. Look at the wolverine parts kit... even there is says "Condition good used".
At tip... places that sell parts for RC vehicles could have the washers. I found some in my rc parts bin. More of a shim than a washer.
But I'm not too worried. This is cheap fun and easy to fix. And when I say my gun is "new" I realize that it is a good possibility that not everything in these guns is brand new off the factory floor. Look at the wolverine parts kit... even there is says "Condition good used".
At tip... places that sell parts for RC vehicles could have the washers. I found some in my rc parts bin. More of a shim than a washer.
