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Old 01-17-2012, 14:22   #1
SCF
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Is wear normal?

Here are some pictures of the wear marks on the bottom of a G34 slide, underneath the ejector/extractor port.

Would you consider this normal? The pistol has about 1000 rounds through it.

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Last edited by SCF; 02-12-2012 at 10:39..
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Old 01-17-2012, 15:29   #2
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Yes, very typical
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Old 01-17-2012, 15:38   #3
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Ah, a case of the mystical slide peening..How many locking blocks later? I believe I was told 19 versions... The bur should be removed if noticeable, other wise a heathly and steady diet of practice ammo and it will not progress further.
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Old 01-17-2012, 19:10   #4
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Normal indicator of used glock. Ignore it.
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Old 11-15-2012, 12:06   #5
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That's it.....

The photos of the damage to the inside of the slide....that is exactly what mine has done. Good to know it's normal...and OK. Thanks
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Old 11-15-2012, 19:40   #6
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Shoot on!!
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Old 11-16-2012, 16:55   #7
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Take a small file and fill off any raised edges. One time deal and it will not do it anymore. It is very normal.
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Old 11-16-2012, 17:15   #8
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Normal.
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Old 11-16-2012, 20:03   #9
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What others are calling, 'normal' in this thread I would call highly unacceptable for any 9mm Glock. As far as I'm concerned it looks like the slide wasn't properly heat treated. I've got Glock pistols around here with anywhere from 15,000 to 25,000 fired rounds through them - Many of these rounds were really hot, too! NONE of my slide bottoms show even 1/10th the slide peening that yours does; and, two of these Glocks are 45 ACP caliber!

Will your G-34 work? Yes, it will. Will your G-34 shoot straight? Yes, straight enough. Is that kind of slide peening typical of, 'many' Glocks? In my experience, fewer pistols rather than more. To my mind this is just more proof positive that Glock pistols ain't what they used to be. I've got two very good early third generation G-21's that are everything that they should be and are standing up well. I've, also, got a G-19 with what has, so far, been a, 'manageable' BTF problem. Unless I come across an early Model 19 with a serial number prefix lower than, 'L' I am positive that I ain't never going to buy another Glock anything.



PS: Unclebob gave you good advice! The only question I have is, 'Do you actually know how to touch-up a lock block?'

Last edited by Arc Angel; 11-16-2012 at 20:06..
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Old 11-16-2012, 21:34   #10
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FWIW, have a Gen4 G35 with several thousand rounds and it has no markings whatsoever! Gen4 G26 with ~500 rounds, and only a very slight wear mark in this area.

IMO, this would not be "typical" of any quality handgun!

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Old 11-17-2012, 08:53   #11
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Quote:
Originally Posted by GUNS N' HOGS View Post

IMO, this would not be "typical" of any quality handgun!

A Glock is designed to flex. So with the different manufacture tolerances of parts you may or may not get the ping marks. So you just take a file and file off the bumps. It will not happen anymore. And it is not any big deal.
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Old 11-17-2012, 22:26   #12
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yep its normal for glocks. mainly in .40 but i have seen this in older 9mm glocks as well.
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Old 11-18-2012, 20:59   #13
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Locking block peening on those spots on the underneath of the slides is not exactly uncommon with Glocks, but it's usually been observed to have occurred more frequently, and to a great degree, in the .40 models.

Glock has revised their locking blocks over the years, and we were told in one of my armorer classes that at least one of the revisions ought to have reduced the potential for such peening.

FWIW, one of my G26's actually developed more peening of this type than my G27. It started rather early in the gun's service life (and has now seen more than 13K rounds fired through it).

I've seen a little develop in my newer production Gen3 G26, but then it's only seen a couple thousand rounds, so far.;
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