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Old 04-06-2012, 09:23   #341
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I shot my 26 yesterday - out of 20 rounds 1 ejected straight up and another up and onto my head (didn't feel it). The erratic rounds happen so infrequently, I'm not sure how you can judge a pistol truly "cured" without shooting a thousand rounds!
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Old 04-06-2012, 10:51   #342
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that's the major problem with those glocks only ejecting 1 of 50 or so to your head, you'll never know if it is cured just by shooting 100rds, sad but true!
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Old 04-06-2012, 10:55   #343
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The erratic rounds happen so infrequently, I'm not sure how you can judge a pistol truly "cured" without shooting a thousand rounds!
With my G27 I had someone watch the ejections from behind me, about 10% either went right over my head or straight up in the air and the triangular dents/scrapes on the case mouths occurred on 98% of the spent casings. After the new ejector, all ejected to the right and no casings had the dent/scrape at the case mouth. About 50% had a very tiny scrape midway down the wall of the casing, so it was pretty evident that the case mouths were properly clearing the ejection port opening after the new ejector.
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Old 04-06-2012, 11:28   #344
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where exactly come the dent/scrape at the case mouth from?
what do you suppose?

can the dent/scrape at the case mouth also come from feeding the rd in the chamber or can it only result from falls ejection? what does the case hit, to get the dent/scrape at the case mouth from?
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Old 04-06-2012, 13:02   #345
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Originally Posted by dusty_dragon View Post
where exactly come the dent/scrape at the case mouth from?
what do you suppose?

can the dent/scrape at the case mouth also come from feeding the rd in the chamber or can it only result from falls ejection? what does the case hit, to get the dent/scrape at the case mouth from?
I've been shooting Glocks for 20 years (owned over 30 in that time). I have had a lot of dents/scrapes on the cases & did not know I had a problem.

Some guns do it worse than others... .40's more than 9mm & .45, if I remember correctly (haven't had a .40 for several years). I feel certain that the dents/scrapes are caused by the case hitting the lower edge of the ejection port.

As for erratic ejection, that happens sometimes, but it does not bother me as long as the gun keeps on feeding & spitting out the cases. However, none have hit me in the face; if they did, that would be a problem.

The only extraction problem that was serious to me was a repeated failure-to-extract from a recent Gen3 G26 with a "dip" extractor. Slight flattening & polishing the extractor's top & bottom stopped the problem.
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Old 04-07-2012, 09:39   #346
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where exactly come the dent/scrape at the case mouth from?
what do you suppose?
It comes from the case mouth of the spent casing impacting the slide just below the ejection port opening, leaving a lot of brass dust and residue on that part of the slide.

In this picture, it's the circled red area on the bottom right:
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can the dent/scrape at the case mouth also come from feeding the rd in the chamber...?
No. There's not enough energy involved to cause what I was seeing, and I tried loading several rounds into the chamber then manually ejecting the live rounds and they didn't have any markings on them.
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Old 04-07-2012, 09:56   #347
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thanks for the explanation, voyager, now i understand it.

got a gen.3 G19 which has exccesive brass wearmarks at the same place you circled (bottom right) on the slide and corresponding also on the square barrel root, but never an erratic ejection with it, would you suggest to change the "336" to "30274" anyway?
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Old 04-07-2012, 18:23   #348
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Who has the new ejector part in stock? I have one on order with someone but it must be on backorder. If you know who has them in stock let me know. I think I need one badly.
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Old 04-07-2012, 18:27   #349
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thanks for the explanation, voyager, now i understand it.

got a gen.3 G19 which has exccesive brass wearmarks at the same place you circled (bottom right) on the slide and corresponding also on the square barrel root, but never an erratic ejection with it, would you suggest to change the "336" to "30274" anyway?
If you don't reload, I wouldn't care about the wearmarks as long as it wasn't hitting me with ejected brass.

If you do feel the need to replace something, I'd start with the ejector just because it's cheaper than the extractor.
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Old 04-07-2012, 18:46   #350
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i don't reload and the G19 isn't spitting brass at me, just wanted to know where the brass markings on the slide and barrel come from, thanks
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Old 04-08-2012, 16:41   #351
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Update

Today I had my friend come by who I sold my previous G26 to. I wanted a known gun that had no problems shooting any kind of 9mm rounds. This gun has probably 1000 rds of all sorts of ammo and did not exhibit erratic ejections problems.
I took my slide and put it on his lower half that has the ejector in it. I fired 40 rds through it and had my friend watch the ejected casings. All of them went to the right of me and none to the rear or straight up.
I then switched back to my lower and slide and had my friend watch the casings for me. Well over half either went straight up in the air or up and over my head. With a couple hitting me on the brim of my cap. Also there is a pattern of brass marking the slide just below the ejection port. Clearly a problem. I will call Glock tomorrow and ask for a warranty claim. I am not going to clean the gun so they can see the markings on the slide from the brass casings.
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Old 04-08-2012, 16:49   #352
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i have the same brass markings at the exactly same spots, but no erratic ejection prob with my gen. 3 G19.

are the brass markings a problem indicator anyway, or quite normal as long as someone encounters NO erratic ejection?
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Old 04-08-2012, 18:11   #353
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i have the same brass markings at the exactly same spots, but no erratic ejection prob with my gen. 3 G19.

are the brass markings a problem indicator anyway, or quite normal as long as someone encounters NO erratic ejection?
I don't think the casings should be hitting the slide when things are right.
My buddy's son was there today also with a well broken in G22 .40 cal. His gun was shooting the brass 4' clear of the gun. His rounds obviously were not contacting the slide.
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Old 04-08-2012, 19:41   #354
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okay, gonna watch that closer
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Old 04-09-2012, 17:05   #355
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Update

Spoke with Glock today. Shipping label has been printed and I am sending the G26 back tomorrow. Hope it gets fixed the first time. I'll keep you posted.
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Old 04-09-2012, 18:57   #356
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I've tried the "fix" with OK results, my G26 tossed two out of the last 20 rounds "erratically", one high and left the other over my head. My 19 worked perfectly. Found a few rounds in a nice pile about 4' to the right.

Just got an older 1 pin G17, it has the non LCI extractor hook. Looked to me like the older internals were "nicer", at least they were all parkerized. I took a chance and ordered two of the non LCI hooks.

The new "old" extractors arrived today and dropped right into the slide. My only concern is that the late Gen 3 slide has an angle cut next to the breech not present on the older guns. So the hook stands a little proud, but still parallel with the barrel, so everything closes up nicely.

I ran some dummy shells through both pistols, everything ran fine ... but only shooting will tell the tale. I will fire both pistols Thursday, and report back.

Last edited by 153; 04-09-2012 at 18:58..
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Old 04-09-2012, 21:02   #357
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I did the "Fix" and it seems to be working very well...I want to shoot it some more just to be sure...so far they go to the right about 3-4 o'clock...I did it to my G19 only...
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Old 04-10-2012, 00:17   #358
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The new "old" extractors arrived today and dropped right into the slide. My only concern is that the late Gen 3 slide has an angle cut next to the breech not present on the older guns. So the hook stands a little proud, but still parallel with the barrel, so everything closes up nicely.
It should work. But you need to use a non-LCI spring loaded bearing with that extractor. Your Gen1 G17 should have a non-LCI spring loaded bearing in it.
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Old 04-10-2012, 14:31   #359
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I just called glock about my ejection issues and they flat out told me to try polishing the extractor. I was like WTF? For real?
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Old 04-10-2012, 14:42   #360
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I just called glock about my ejection issues and they flat out told me to try polishing the ejector. I was like WTF? For real?
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