norinco 1911 a1

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Hey guys/gals. Any chance any of you could shed some light. Have a Norinco 1911 and for the most part it work just flawlessly. But every once in a while it fails to eject the last round. The slide opens but jams the case half in half out. It happens maybe once every 15-25 mags. Mags dont seem to be the issue. I have the standard 7 rnd. norinco mag that it came with. Also 3 Wilson combat 8 rnd mags. I do keep the gun very clean and have about 1000 rnds through it. Any suggestions would be helpful. Side note, other than this one issue I love this gun and have nothing but great things to say.
 
When a case is ejected and there are rounds in the mag. it is not the same as when the mag. is empty, the round in the mag. affects the ejection pattern. Personally I wouldn't worry about it. You are out of ammo anyway..clear the gun ..load another mag and carry on.
 
This is a classic indication that you've got a problem with your ejection system. The magazine and the cartridges in the magazine are not supposed to be a part of ejection.

As Skinny said, it's not a "big" problem since it doesn't affect normal practical function all that much. But it won't do that if everything is fitting properly. If you want to spend the time and money chasing the problem, do it. It's probably no simple matter, but could be a good way for you to learn about your pistol.
 
If the case is getting mashed into the ejection port, the extractor needs to be bent a bit to give it more tension on the case rim. Easy to do and a common adjustment on 1911s.

When there are rounds in the mag, the upward pressure of the round in the mag puts upward pressure on the extracted round on the bolt face, and keeps in place. When the last round is extracted, there is no round below it to keep it located, so it falls off the extractor, does not get ejected and then hits the ejection port.

the extractor is easy to remove. Push in the end of the firing pin and pull the little end plate down. The firing pint and spring will tend to pop out, so keep a finger there to trap them. The extractor is that plum coloured round thing. It has a notch in it where the end plate was. use a small screw driver to pry it out on that notch. It is not very tight. Put 1/2" of the extractor base in a vice and push on the extractor tip to give it a little bend. A before and after with a straight edge will tell you how much you bent it. Try about 2mm of bend, to start.

Check this out:

http://www.m1911.org/technic2.htm
 
If the case is getting mashed into the ejection port, the extractor needs to be bent a bit to give it more tension on the case rim. Easy to do and a common adjustment on 1911s.

When there are rounds in the mag, the upward pressure of the round in the mag puts upward pressure on the extracted round on the bolt face, and keeps in place. When the last round is extracted, there is no round below it to keep it located, so it falls off the extractor, does not get ejected and then hits the ejection port.

the extractor is easy to remove. Push in the end of the firing pin and pull the little end plate down. The firing pint and spring will tend to pop out, so keep a finger there to trap them. The extractor is that plum coloured round thing. It has a notch in it where the end plate was. use a small screw driver to pry it out on that notch. It is not very tight. Put 1/2" of the extractor base in a vice and push on the extractor tip to give it a little bend. A before and after with a straight edge will tell you how much you bent it. Try about 2mm of bend, to start.

Check this out:

http://www.m1911.org/technic2.htm

Awesome answer! One of the good ones here, Ganderite!
 
Most extraction/ejection issues with the 1911 can be traced back to the extractor.

The tension should be set so that the extractor will hold a loaded cartridge just a bit snugly. You should be able to knock it loose by striking the slide against your palm sharply, but not by tapping it gently.

At least that is how I set the tension.
 
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