VZ58 issue...

st1264

st1264

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Had a few ftf's and found out it was "light hits" which didn't ignite the primer. I opened it up and found this... looks like a piece of metal is broken off this piece (don't know what it's called). I am assuming this is the problem. Anyone know where I can find this piece? This is the FSN-01 model. Thanks.

fsn20001.jpg

fsn10001.jpg

fsn0001.jpg
 
That's the striker, and it doesn't look broken. It appears to be milled out to match that milled area in the rear of the bolt carrier. Must be the way FSN's are. The "ramp" on the rear of the bolt carrier is full width on the CZ and CSA guns.

Does your firing pin rattle back and forth? If not, clean it out. That may be your issue.
 
Firing pin does rattle, but I can't seem to get the bolt assembly apart to clean it... depressing the spring and nothing is dropping out (followed a youtube vid).
 
That striker is milled off so it does not trip the auto sear. So that part looks normal to match our laws.
Did you try diffrent ammo?
 
the carrier ramp has two sides , one side is for semi and the other is for full auto , the full auto side was milled out so it cant be converted back to full auto .

this is normal for FSN.

sounds like you might have the gremlin , gremlin are when the striker fails to engaged with the sear and follows the carrier forward , that is what causing the light primer strikes , this is slightly deeper than the free moving firing pin primer strikes.
 
Curtton said:
the carrier ramp has two sides , one side is for semi and the other is for full auto , the full auto side was milled out so it cant be converted back to full auto .

this is normal for FSN.

sounds like you might have the gremlin , gremlin are when the striker fails to engaged with the sear and follows the carrier forward , that is what causing the light primer strikes , this is slightly deeper than the free moving firing pin primer strikes.
Click to expand...
In-correct and sort of corect statments Curtton.
The inside of the FSN model's have a piece of metal welded in place there for there is no way to add the auto trigger safety bar.
This could also lead one to believe that his trigger is not properly being alighned so there for the sear and sear spring will not dis-enguage the stricker to ignite the primer.
This rifle's free floated firing pin system me's that there will always be a slight dimple on the primers if the round is loaded into the chamber.
So to better understand what is happening you can do 2 things.
Contact Frank at Marstar and get it sent in for warrenty repairs.
Or
Post pictures of the inside of you reciever. 2 area's in piticular. The trigger t-bar area and also the picture of how the sears and sear springs look like.
Then we will see if we can solve this issue.
There is a third and most likely not posiblity is that you have some dud rounds but I do not belive that this is it.
 
I can post some more pics when I get home. I have to say I am not impressed with these rifles. My buddy got one with a gremlin, this one might have it as well. Wish we could have a real AK and most likely 0 problems.

I appreciate the help, more pics or video will be posted. Just let me know what you want me to film/photograph to diagnose this. I shot about 150 corrosive rounds with no issue, about 100 non-corrosive Norinco and had 3 or 4 light hits/ftf's from one box. Maybe I'll switch to the corrosive and see if there is a difference.
 
The Lone Wolf said:
In-correct and sort of corect statments Curtton.
The inside of the FSN model's have a piece of metal welded in place there for there is no way to add the auto trigger safety bar.
Click to expand...

can you make up your mind as to what i said is correct or incorrect ? lol.

yes, i know about the bar that was welded where the auto sear goes in , that was done as an added measure to the milling , if you kindly read the OP post you will find we were talking about the milling .

so what im saying is if you were to remove the bar and put in an auto sear the FSN still would not go full auto .
 
Here is the view inside the receiver. Not the best vid, brown colour plus a little grease and it looks dirty, but it's not. The trigger group seems to be a little off center.

[youtube]GlPgtVKmNsk[/youtube]

Striker looks it has a depression in it... Experts, let me know what you think.

fsnstriker0001.jpg
 
Last edited:
Just shot 100/100 corrosive rounds so I think it was a few duds in the Norinco non-corrosive ammo. There is nothing wrong with this rifle.
 
I posted pics and a vid and nobody diagnosed a problem, so I don't think there is/was one. Think I'll just stick to the corrosive ammo.
 
st1264 said:
Here is the view inside the receiver. Not the best vid, brown colour plus a little grease and it looks dirty, but it's not. The trigger group seems to be a little off center.

[youtube]GlPgtVKmNsk[/youtube]

Striker looks it has a depression in it... Experts, let me know what you think.

fsnstriker0001.jpg
Click to expand...
Sorry for the delay.
Head office needed me to return home for a couple of day's. So logging on out here some times doesn't allow me to respond quickley.
So please remeber that it is much easier to correct this issue if it was in my hands but good luck getting that into England :p
First thing I noticed was that the sear spring and the sear are not in direct line.
Next I noticed maring on the sear.
Then I noticed the hump from the weld near the extractor. (This is were it get confusing.)
So I think that the Nork ammo that you were shooting was either a dud or that it is provideing such little velocity (Witch this ammo in Canada is old ammo that has been laying around before it was imported in) that your rifle is not cycling hard enough to reset this trigger system.
Then there is the finnal thing that has got me thinking that your stricker is sticking.
1 the sear has un-even wear and 2 the stricker has un-even wear on the face.
I would try the same batch of ammo again and see if this persit's. Also how does it work in other rifles that shoot the same caliber if not the same gun. This will rule out the ammo. Then if the ammo is not the fault then I would send it back to Marstar and let them de-bug it.
 
Curtton said:
darn, we just got started when the lone wolf got unmasked .

st1264, did you hear the striker strike the back of the carrier when you got FTF ?
Click to expand...

I believe so, everything felt/sounded fine. I just had the same issue with my Sig 220 shooting a bad round of Norinco 45ACP. The pistol is superb, it is the ammo. Bad primer or something... Don't believe I have an issue with my FSN.

Don't know why some people are hijacking this thread with comedy...
 
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