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Old May 3, 2013, 10:35 PM   #1
Palmetto-Pride
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New GLOCK 22 Gen4 Having Problems!

My brother just bought a Glock 22 Gen4 and I shot it with him at the range today, this was his second time out with it and after about 40 rounds the "Locking Block Pin" started sliding out to the left (looking down the sights) which caused the Slide stop lever to come up while there were still rounds in the magazine. So a guy that works at the gun shop put it back together and, but it still kept happening after about every 15-20 rounds. My brother is beyond hacked off and frustrated, he sold his M&P Pro .40 to pay for this Glock because he let a cop friend talk him into this Glock saying how great this pistol is. Anyway so I googled the problem and apparently he is not the only person having this same issue with the new G22 Gen4. I told him to call Glock on Monday, but my brother is the type that will let this eat at him.......kind of like buying a new car and having problems right when you drive it off the lot and having no confidence in it. Anyway anyone else had this problem with the new Glock 22 Gen4.
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Old May 3, 2013, 10:43 PM   #2
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Without ripping on glock I'd like to offer you my remedy. It involves selling the glock and purchasing a Springfield. lol.
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Old May 3, 2013, 10:48 PM   #3
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That's got to be pretty irritating. Glock will take care of it, but it's never fun to have to return a gun to the manufacturer for service.
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Old May 4, 2013, 06:37 AM   #4
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This is just the kind of thread I do NOT need to see today. I'm getting ready to go out and check out the G23, possibly a G22, both gen 4's, and I've got every intention of buying one - probably the 23.
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Old May 5, 2013, 12:11 PM   #5
745SW
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First off let me say I’m approaching this problem/issue of the LBP (locking block pin, small pin) walking as a mechanical observer. My Glock’s are all pre-2000 with the two pin frames, three pin version came into play sometime around 2002-2003 for most Glock’s. Your G22 is known as a three pin.

From what I gather Glock has no real fix and I can’t see anything of its design that would keep the pin securely in place. Not a good design IMO. Appears folks have used nail polish to Loctite, both I would term Mickey Mouse fixes.

The LBP appears to be slightly shorter than the width of the frame, distortion of the LBP holes on the outside of the frame should help prevent the LBP from walking out. I would use an ACP (automatic center punch) near the LBP hole on both sides of the frame. Starrett makes this tool in two sizes, small and large. The small version 18AA, IMO, should work fine.

Some firearms such as my High Standard Victor’s use this method to keep pins in place. Personally I don’t like it but apparently its an inexpensive method of keeping a seldom removed pin in place.
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Old May 5, 2013, 12:23 PM   #6
deepcreek
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Call glock and send it back. Guns are like every thing else you can get a bad one.

I am going through a similar problem with a brand new gun. it is a drag new guns should work good if not make the manufacture fix it no reason to pay to deal with problems make the manufacturer deal with it.
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Old May 5, 2013, 12:25 PM   #7
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The Glock design retains the pin using the slide stop spring. The pin is rebated in the middle and slightly larger at both ends. The end of the slide stop spring bears against the locking block pin and is supposed to retain it. It does keep it from walking out to the right (viewed by the shooter with the gun in firing position), but the pin can move a long way to the left before the spring catches on the right edge of the rebated section and stops the movement.

Stock Pin


There are aftermarket locking block pins that have grooves on each end of the pin in the appropriate spot for the spring end to "lock into". They should prevent motion in either direction.

The only one I know of off the top of my head with this feature comes in the ZEV titanium pin set. There may be others.

ZEV Set from Glockstore.com (Middle pin in picture is the locking block pin.)
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Old May 5, 2013, 12:38 PM   #8
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Thanks for the replies. I realize it is a small fix to keep the pin from walking, but I can't believe that a gun maker such as Glock hasn't issued a recall on this very well known problem, it's a very small fix to what could be a huge problem if you were in the middle of a fight for your life with this gun.
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Old May 5, 2013, 09:38 PM   #9
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Alternative way of keeping the LBP (locking block pin, small pin) from walking would be a friction fit. Kinda like a nail in wood. Many nails have perpendicular ribs on the body near the head, similarly burrs can be created on the pin at the points of contact to the frame using a mechanics type diagonal cutter. Just use enough hand force on the tool to create burrs not cut the pin. Obviously do not use a flush cutting precision wire cutting Swiss diagonal tool for this task, it will ruin the tool.

I am assuming the plastic walls at the pins are solid not hollow for the above method to work. Something like the trigger guard of the Glock might be different, I think its hollow based on the sound it makes when tapped.

The friction based fit of the pin will require installation by tapping with a metal mallet and punch not push install. The mallet has more of an impact affect unlike a push, less likely to damage the pin.
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Old May 5, 2013, 10:28 PM   #10
6.8
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This is too easy. I can't just come on hear and tell you to buy a Smith / Ruger / FN / Beretta / or countless other Guns made in the USA. Nor will I tell you about the God Awful grip and ergonomics of the Lowly Block, sorry glock. And heaven forbid I should mentioned their obvious declining Quality. And lastly you wont hear me State the obvious about Supporting American Jobs Thats So 1964. So I'll just keep my mouth shut.
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Old May 6, 2013, 12:44 PM   #11
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6.8 I hear ya loud and clear my go to full size is a M&P, but from what I know this Glock is made Smyrna, GA USA or at least the receiver is (part that is having a problem) so the made in the USA argument is a little flawed on this one.
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Old May 6, 2013, 06:03 PM   #12
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After giving some more thought I don’t believe it’s a design problem, it’s a QC (quality control) problem, most likely alignment. The smaller diameter area of the LBP (locking block pin), I would think, is about the width of the locking block. The locking block bearing on the LBP would keep the LBP in place. Either the holes, trigger pin and/or LBP, for the locking block on the frame are off or the locking block itself is defective.

Me thinks if it where a design problem this issue would be much more wide spread.
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Old May 6, 2013, 06:57 PM   #13
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A quick google search will show that this is more than just a QC issue.

http://www.google.com/#hl=en&gs_rn=1...w=1024&bih=672
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Old May 6, 2013, 08:19 PM   #14
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Quote:
A quick google search will show that this is more than just a QC issue.

http://www.google.com/#hl=en&gs_rn=1...w=1024&bih=672
Dang, learn something new every day!
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Old May 6, 2013, 08:33 PM   #15
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Quote:
My brother is beyond hacked off and frustrated, he sold his M&P Pro .40 to pay for this Glock because he let a cop friend talk him into this Glock saying how great this pistol is.
This is a shame. I have nothing against Glocks. But never let anyone talk you into selling what I assume was a functioning and reliable firearm. I've done the same myself in the past and always regretted it. What exactly did he not like about the M&P out of curiosity?
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Old May 6, 2013, 08:59 PM   #16
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He loved the M&P it was the best thing since slice bread, then next thing you know he tells me he sold it and bought the Glock because this cop buddy told him how it was the ultimate pistol so my dumb ass brother who is easily persuaded just had to have it.......lol I found out today he already sold it and has a new M&P on order.....the boy just won't learn and loses $150 every time he does this crap.
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