Norinco NS522 build: NEW MAG RELEASE
- Thread starter Father
- Start date
I believe I mucked it up. Send me your email and I'll send you a copy.
The trigger on mine had a bit of creep. It has now been tuned up and is now light and crisp.
Took the trigger off and took it apart. A single screw on the side opens it up. It has very few parts and is simple.
The trigger sear has two machined surfaces. These were stoned with a flat stone to smooth them out.
The rotating sides were polished to make them turn smoothly, and the flat surfaces inside the trigger that touch the trigger were lightly polished.
The trigger spring was originally set at about 100 degree angle. Put a small screw driver through the coils to support it and the two legs were pinched together so the spring was not quite so strong. When done, the angle was a bit less than 90 degrees.
The rotating pieces were all greased and then reassembled. Trigger is now much better. light and crisp.
I look forward to testing this rifle at 50 and 100 yards.
Took the trigger off and took it apart. A single screw on the side opens it up. It has very few parts and is simple.
The trigger sear has two machined surfaces. These were stoned with a flat stone to smooth them out.
The rotating sides were polished to make them turn smoothly, and the flat surfaces inside the trigger that touch the trigger were lightly polished.
The trigger spring was originally set at about 100 degree angle. Put a small screw driver through the coils to support it and the two legs were pinched together so the spring was not quite so strong. When done, the angle was a bit less than 90 degrees.
The rotating pieces were all greased and then reassembled. Trigger is now much better. light and crisp.
I look forward to testing this rifle at 50 and 100 yards.
Got at the trigger today. Unfortunately, I didn't measure the original pull but honestly it wasn't too bad. A guess would be about 3 or so pounds. After polishing everything and pinching the spring, its now just a hair under 2lbs with very little creep. The original spring is quite heavy and i couldn't find a replacement so just took some tension off by pinching it (as in ganderite's post). Certainly a lighter spring would make a big difference (as suggested by Father).
Father, is the CCI SV wedging tight before it seats or is it a possible head space issue?
Jopres, the CCI SV should be good. I use it in my S&W 17 and it is one of the few ammo types that fits in without the need to firmly seat the ammo. Tight chambers on that S&W. And even if it doesn't shoot that well from THIS rifle for groups I'm sure you'll find some sort of rifle that likes it. So I'm a little surprised at what Father found with his ammo in his gun.
I hope Can Am has a few more left. Just waiting on next month's cheque to arrive. My plans are to make this a 100% project gun. First step will be to bed and tune as per the information in this thread. After that watch for a scratch made match target pistol grip stock with adjustable cheek rest and butt plate similar to a match Anchutz. I'm also thinking to either make a floor plate insert or possibly make up some sort of clamped or welded in place floor plate that stiffens up the receiver to turn it into a dedicated single shot.
Just don't go asking for the magazines any time soon though....
Jopres, the CCI SV should be good. I use it in my S&W 17 and it is one of the few ammo types that fits in without the need to firmly seat the ammo. Tight chambers on that S&W. And even if it doesn't shoot that well from THIS rifle for groups I'm sure you'll find some sort of rifle that likes it. So I'm a little surprised at what Father found with his ammo in his gun.
I hope Can Am has a few more left. Just waiting on next month's cheque to arrive. My plans are to make this a 100% project gun. First step will be to bed and tune as per the information in this thread. After that watch for a scratch made match target pistol grip stock with adjustable cheek rest and butt plate similar to a match Anchutz. I'm also thinking to either make a floor plate insert or possibly make up some sort of clamped or welded in place floor plate that stiffens up the receiver to turn it into a dedicated single shot.
Just don't go asking for the magazines any time soon though....
Father, is the CCI SV wedging tight before it seats or is it a possible head space issue?
Jopres, the CCI SV should be good. I use it in my S&W 17 and it is one of the few ammo types that fits in without the need to firmly seat the ammo. Tight chambers on that S&W. And even if it doesn't shoot that well from THIS rifle for groups I'm sure you'll find some sort of rifle that likes it. So I'm a little surprised at what Father found with his ammo in his gun.
I hope Can Am has a few more left. Just waiting on next month's cheque to arrive. My plans are to make this a 100% project gun. First step will be to bed and tune as per the information in this thread. After that watch for a scratch made match target pistol grip stock with adjustable cheek rest and butt plate similar to a match Anchutz. I'm also thinking to either make a floor plate insert or possibly make up some sort of clamped or welded in place floor plate that stiffens up the receiver to turn it into a dedicated single shot.
Just don't go asking for the magazines any time soon though....
It is full engaging/seating in the lands. I am unable to extract an unfired CCI SV.
Hmmmm.... odd that. Extractor not reaching around far enough do you think? Or is the round pinching a little in the chamber and there's not enough tension in the extractor to stay hooked on the rim?
I saw from looking at different brands with a strong magnifier that lots of the cheaper bulk stuff was quite rounded and even flared out around the rim. I attributed it to over use of the case forming dies to get more production per die. But the SV and other better ammo I looked at seemed to be more crisply formed with neater and tighter shaping and more accurately sized. I measured the ammo casings as well during this inspection.
Mind you that's not to say that CCI doesn't try to get the max out of each forming die. I might have been inspecting ammo that came from a newer and fresher die than what you got.
I saw from looking at different brands with a strong magnifier that lots of the cheaper bulk stuff was quite rounded and even flared out around the rim. I attributed it to over use of the case forming dies to get more production per die. But the SV and other better ammo I looked at seemed to be more crisply formed with neater and tighter shaping and more accurately sized. I measured the ammo casings as well during this inspection.
Mind you that's not to say that CCI doesn't try to get the max out of each forming die. I might have been inspecting ammo that came from a newer and fresher die than what you got.
OK, that makes sense. The moral of the story is don't load it unless you're serious...
LOL! Well, sometimes ones experimentation is worth its weight in gold. I do agree somewhat however. I recall one Xmas morning at my house where I shot myself in my left index finger, but that is another story.......
I did not measure them, but theoretically they should be the same length, or the receiver won't be parallel to the trigger guard part.
By the way, what is the difference between center fire and rimfire rifle scopes? I am using center fire rifle scope on my ns522, is it necessary for me to get a rimfire rifle scope for it?
Thanks
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