Even if it's not causing the issue it sounds like that's something to fix for sure. Do you happen to have the ability to measure the bar from the flat on the back to the tip to give me overall length? Is it 90 degree?
Norinco carbine trigger reset issues
- Thread starter BigMT
- Start date
Even if it's not causing the issue it sounds like that's something to fix for sure. Do you happen to have the ability to measure the bar from the flat on the back to the tip to give me overall length? Is it 90 degree?
From the previous response about the striker it seems it's been hacked at. Judging by the overall condition of this when I bought it I wouldn't be surprised if someone was trying to modify it without knowing what they were doing.
It is very likely out of spec but I wonder what's causing the sear to still not reset properly. It's the weirdest thing that there's a point in pulling that the striker clears the sear but the sear doesn't reset. I would have thought for sure it was the disconnector but having tried three now I'm not sure what else it could be.
I assume you have an Uzi. Would you be willing to pull the bolt and striker and slowly squeeze the trigger to see if you can make the sear clear the bottom of the receiver where the striker would be, without it resetting properly? That's what I'm able to do on this carbine. With the striker in the receiver without the bolt I can find a spot during the trigger pull where the bar can freely slide around without the trigger resetting. It's an odd problem.
Yeah, I brazed a bar in there like the Chinese lower has. The selector doesn't move past semi. It doesn't contact the disconnector either only the safety bar does. Could that be part of the problem? I didn't think it needed to do much other than prevent an unmodified full auto sear from fitting and keeping the safety from moving into full. I'll take a picture in a few minutes here.
Here's the photo. Please excuse the terrible looking braze. I also popped the sear out so you can better see the bar. I'm hoping that bar isn't the problem. In the photo I have the trigger pulled all the way back and the safety is set to fire.
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From what I am understanding the sear is not contacting the striker. 1- the sear is hanging up on rec or the selector is going too far forward. you used a surplus lower is it a smg or a semi, that would also make a difference because the rec would have a 9mm lug and the lower will have a 8mm hole in it.
It's a surplus lower that I opened up to 9mm but that's well in spec in terms of placement. The sear is contacting the striker just fine but when I pull the trigger slowly it releases the striker without resetting the sear. If I yank the trigger back it resets fine. The sear is making no contact with the receiver. I'm really stumped as to what's going wrong with this thing.
When you pull the trigger with the lower off the receiver does the sear flip all the way up? The full auto sears sometimes have to have clearance ground on the bottom or the welded in blocking piece will not allow it to flip up high enough to reset.
it sounds like it works correctly-If you squeeze the trigger it will eventually drop the sear so striker goes forward as soon as the trigger is squeezed and the sear drops it will come right back up to catch the striker for next round that was chambered
When I milled off most of the full auto sear to fit the semi cutout I also ground clearance for the blocking bar. It flips all the way up when the trigger is pulled.
The problem is that there's maybe a 1/8" of trigger movement where the sear has already let go of the striker and hasn't reset. That keeps causing the carbine to fire one or two rounds then the striker just rides the bolt into battery.
Anyone that has a working Uzi carbine, try something for me please. With the bolt out and just the striker in the receiver sliding freely, can you find a spot in the trigger pull where the sear doesn't catch the striker? I have that problem, I can pull the trigger slowly and it clears the striker without resetting.
I already did. The sear flips forward just like it should when the lower is off but when the lower is on the gun the sear moves gradually down just as the trigger is pulled. When pulling slowly the striker can be released before the disconnector resets the sear.
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