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Discussion Starter · #1 ·
I have been told that Glock Slide peeing is common and normal. I am talking about a department issue G22 .40 cal. The gun is stock and has no modifications. We have 50 guns and some show a little more peening than others.

Does anyone know of or can provide me with data on any failures suspected or actually caused from peening of the slide? You know the two marks on the bottom of slide near the chamber area.

Most of us HATE Glocks and would rather be issued Sig P226's or Kimbers.

Please let me know, Thanks
 

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Nope, have not heard of any problems that could be directly traced to that interesting Glock feature. I've never seen it on guns w similar designs (S&W Sigma and SWalther P99), so it must be something perfect guns are supposed to do? ;)

I don't remember seeing it on any Glocks until after the 40s came out. Now it shows up on some of the 9s too. Some do it more than others, some not at all. I have had Glock 32s in 357SIG not do it at all, and Glock 17/34s do it after just 100 rounds of std pressure 9x19. Have seen some LE trade-in G22s that had a lot of it on them; looked like they had been whacked with chisels, but they still worked just fine.

Get that counted as "excessive wear", could be a way to exclude Glock from contract consideration/selection? The S&W 9s failed the service life test of the M9 trials over frame cracks in some guns even though the total for all guns still met the minimum avg score required and they were still reliable enough too. Even though they worked, they got the boot... might be a way to boot the Glocks too? :twisted:
 

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Discussion Starter · #4 ·
I have read alot of posts on other sites is my source. I do not think the peening from a gun is normal but have read that it is normal. I believe Glock says it is normal also.

I do not want to trust my glock because of the peening as a duty weapon. I want my gun to fire when I need it to with no stopages. Its one thing if I cause the malfunction, its another if I am carrying a piece of %^%.
 

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cv18sro said:
I want my gun to fire when I need it to with no stopages.
That makes perfect sense. What evidence is there that the "peening" to which you refer causes, or can cause, malfunctions?
 

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Could someone explain this "peening" problem to me & maybe show me an example.

I am not what Dean refers to as a "kool-aid drinker" & have never even been to Glcok Talk, BUT I have been reading & reading all of this Glock hate talk & some of you people are making mountains out of molehills. If you don't like a Glock, don't shoot one. If your dept issues you one, work within the chain of command to obtain something different next time a new duty weapon is chosen. Jeez, the rapture is not fixing to occure just because you don't like the thing. So quit telling me how big a piece of junk it is, I know better from my own experience. I don't like USP's or Kimber's, but I don't travel from forum to forum b*tching about it & singing how bad they are.

I own at least one Glock in every caliber except for the GAP, & in some instances, several (40 & 45), & have NEVER had a function problem, not once. Never a failure to feed, fire, extract, or eject. I have never had a kB! nor had ever heard of one till I stumbled onto Dean's site. In 15 or so years, the only problem I ever had from a Glock was the finish on a model 27, which they corrected promptly at no charge

I am not a Glock Newbie, I bought my first one, a 23, back in 89 or 90 & still have it. It has had at least 10,000 rounds thru it in that time with zero problems, just ordinary cleaning, & yes, even with handloads. I regulary fire 500+ rounds a week out of something, whether it be a Glock, a P7 or some flavor of 1911.

I know some people have problems with Glock's "Glock Perfection" motto, but hay, that is one good marketing campaign & the lad who came up with it probably got a huge bonus. The only handgun I can come up with that deserves the title more is the H&K P7. (If H&K would change THAT to a polymer frame to solve the heat problem, it would be perfect).

Then people complain that Glock never admits to problems with the gun. Would you if it was your product? It would be corporate & financial suicide for any fireams company to admit that its product has some kind of defect, which no one has proved to me it does. The lawsuits would be filed before the ink was dry on the press report. Not to mention the publicty problem that would arrise with police depts that issue the weapon. They would be forced by people who don't know any better to change to a different weapon even though most of them are financially strapped. Glocks competitors would have a field day with that. Trail lawyers like John Edwards would get even richer while the anti gunners would smile like the Chesser cat.

When I had my shop, people came in constantly saying how dangerous a Glock was because it didn't have a saftey. So I would pull a revolver out of the counter & ask them to show me the saftey on it. Then I would do the same thing with a Sig or a P7. How strange it is that those two pistols never get chastised because they lack some button or lever that must be moved in order to fire. (granted, you have to squeeze the P7, but you naturally do when you grip it properly). Why does any double action handgun need a mechanical saftey anyways? Has everybody forgotten to keep their finger off the trigger till they are ready to fire?

The Glock is the absolute easiest semi auto handgun in the world to transistion from a revolver with, which is why I think most depts went to it in the 80's & 90's when they switched over. It doesn't need any extra gadgets or dinkus's on it, & if anything when people start hanging other crap on it, it hurts reliability. I can't count the number of times I have seen people holster a Glock & see the magazine get spit out because a sales person somewhere convinced them it needed an extended magazine release.

I whole lot of depts & agency's issue the Glock in one form or another, including most police depts in my area, except for the city police which went for H&K USP's. Being a former officer, I still know a lot of officers & have asked everyone I know about known durability issues, with no negative reports yet. An instructor at the academy in Donaldson regards it as the most dependable weapon any officer can have, with the XD as a close second.

I am not sure how many millions of Glock's are on the street in use everyday now, but it is surely a substantial amount. There are problaly hundreds of thousands of rounds fired from them daily, & yet we hear of a miniscule amount of problems. I like those odds.

Sure, a handgun that malfunctions when you need it most is a dangerous situation. But, nobody gripes about the crap guns that came/come out of Hartford in the form of 1911's that choked on a hollow point. I love 1911's & own more of them than I do Glocks, but 9 days out of 10, the Glock is on my hip. To get a 1911 as reliable as any Glock, you have to buy the enhanced version in the form of a Kimber, Les Baer, Wilson, etc. at average of twice the cost.

This is a long post & I will now climb down off my soapbox with this final thought. Glocks are not the only guns ever made that malfucntion. Look at TGZ, Dean has photos of a blown up H&K, a M1A, & heaven forbid, even a couple of 1911's, including a Kimber.
 

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From the 2001 Glock Autopistols.

Ask Glock by Walt Rauch, page 82.

9.Q. I have wear marks on my .40 caliber GLOCK slide. Is there something wrong with my gun?

A. The marks are caused by the locking block "pinging" against the slide. It is normal and the marks will stop increasing after a few hundred rounds.
 

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Discussion Starter · #8 ·
Alarmed, chill man!!!!!

I do not like the Glock. It is my opinion. My biggest complaint is the steep grip angle and the fact that the gun changes weights drastically as it shoots. That is my opinion. I actually prefer a Sig or a 1911 clone. It fits better and I shoot better.

I was curious as to the peening problem. When a gun is suppose to operate with some parts being withing a thousanth of inch I was worried. I still am. Just because someone tells me it is ok, I do not necessarily believe them. I want to know if the gun has failed because of this, if not great if so I am throwing it away.

I have been trying to get our department to change guns for two years. I do not believe one gun fits all. I am a perfect example. I believe it ws Tacoma Washington, maybe wrong on the city, did a study of all its officers and found almost half could not grip a Glock properly because of the makeup of hands.

I am still worried about peening. We have taken our guns to several machinists and metalurgy specialists and it is 50/50. Some say get rid of the gun and others say no problem. Who do I believe when my life depends on the gun?

If I cannot find a failure related to peening I will be happy. I am not looking for excuses for my family when my gun fails and they sue.
 

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This from Alarmed regarding Glocks:

So quit telling me how big a piece of junk it is, I know better from my own experience. I don't like USP's or Kimber's, but I don't travel from forum to forum b*tching about it & singing how bad they are.
Also from Alarmed:

If you don't like a Glock, don't shoot one.
Well said, Alarmed, and it reflects my view.

I too, own a few Glocks and shoot a wide variety of handguns. I have never had a malfunction with a Glock.

The only thing left off of his post was this: :soap:
 

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Discussion Starter · #10 ·
Ok, I have been looking around and trying to find anything and I stumbled on some information from Avondale Police in Arizona.

I was told this and have not seen any documention to support it but here it is.

Avondale was expirencing the peening in Model 21's and 22's. They called Glock. They told them to file the sharp edges down. They did. The guns then peened worse and actually began peening into the magazine. They discontinued issuing the Glock before they had a failure. I was told that once they filed the peening it bcame worse and metal was shaving the plastic off the magazine and they felt that evetually it would hang the slide up and cause a malfunction. Anyone heard of this?
 

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cv18sro said:
Avondale was expirencing the peening in Model 21's and 22's. They called Glock. They told them to file the sharp edges down.
The only possible response to this is either:
  1. Bullshit![/*:1k6lzyxq]

    Or
  2. Why would any department allow Glock, Inc. to get away with that sort of blow-off customer service?!?[/*:1k6lzyxq]
I am dubious in the extremis!
 

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Would somebody please define "peening" and tell me where it happens.

As I understand it "peening" requires two metal surfaces to hit one another. There is precious little metal to metal contact in Glocks.
 

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I've personally seen mild peening in my own Glocks and in those of others. It looks to me like the front 'legs' of the locking block are striking the underside of the slide. This is probably occuring during the initial contact of the barrel to the locking block (in order to cam down the barrel).
 

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Charlie Petty said:
Thanks that helps.

But wouldn't something like that be self-limiting and (2) does it hurt anything?
In my experience, it is self-limiting, and no, it has never hurt anything other than cosmetics.
 
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