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AR15.COM
12/19/2008 12:00:06 AM EDT
On my new glock 21 i have ran into a small problem/concern. The recoil spring is what i think the issue most likely is. Well anyway the guns the recoil spring guide rod has always been crooked at an upward angle when the slide is pulled back. While the slide is being pulled back you can hear the spring making some "springy sounds" (sorry i cant think of any other way describe it.) about 3/4 through the pull of the slide. Also the frame to slide fit seems awful loose. There is quite a bit more play than on my glock 17. I am thinking i may have just gotten a dud recoil spring?

-all sugestions appretiated

thanks
12/19/2008 12:47:46 AM EDT
[#1]
Sounds like a perfectly normal Glock. What "problem" exactly are you having?
12/19/2008 3:07:07 AM EDT
[#2]
Seriously man, glocks are just like that. I have had my glock 21 for years and that sounds like it to me. They look like they shouldnt work that way but they do.
12/19/2008 1:38:20 PM EDT
[#3]
well the reason i ask is because i havent experienced any of the things i listed on my glock 17.
12/19/2008 1:52:24 PM EDT
[#4]
The recoil rod sounds like it's just dry.  I always hit mine with a touch of gun oil to quiet them down.
12/19/2008 2:26:54 PM EDT
[#5]
I have graphite powder on mine
12/19/2008 2:55:21 PM EDT
[#6]
If it is new thats the sound they all make, may take many rounds to be less noticeable.
12/19/2008 2:59:30 PM EDT
[#7]
That position is normal for the recoil spring to be in. Just pay particular attention when reassembling to push the rear of the recoil spring fully into the half moon notch on the barrel. When you first remove the slide you will notice the rear of the recoli spring is partly out of the notch. Again, you want to push it into the notch fully before reaasembly.

The slide play is normal and I've found it to be more excessive on the larger G21. Glock is pretty good about checking them before leaving the factory. 2 of my G21 SF's were loose as a goose but shot very well.

pay no attemtion to the sound of the spring this is quite normal as well.
12/20/2008 12:28:45 AM EDT
[#8]
thanks for the replies everyone

but how loose are you guys talking about the slide to frame fit being? i am just wondering because my glock 17 has verry litle movement. The glock 21 just seems much looser. Could the recoil spring have anything to do with the fit?  And is it normal for the guide rod to be crooked at an upward angle (my glock 17s is perfectly straight.)
12/20/2008 4:27:54 AM EDT
[#9]
Quoted:
thanks for the replies everyone

but how loose are you guys talking about the slide to frame fit being? i am just wondering because my glock 17 has verry litle movement. The glock 21 just seems much looser. Could the recoil spring have anything to do with the fit?  And is it normal for the guide rod to be crooked at an upward angle (my glock 17s is perfectly straight.)


I've had 3 G21 SF's in the last year all which had what I considered to be excessive slide to frame fit. Side to side, up and down, at the rear, at the muzzle, etc. Excessive in comparison to my other Glocks, but not unacceptable according to Glock, and with regards to accuracy. Do not worry about the slide to frame fit on your Glock 21 as it is not a major contributor to your pistols accuracy.

The recoil spring and slide to frame fit are two seperate issues and i think you're trying to make a correlation between the two. The recoil spring has no significant affect on the slide to frame fit. If you think you're guide rod is defective for some reason call Glock and they will send you a new one. They're going to ask you how old it is, if you test fired it, and how the pistol shoots, and if there is any visible damage to the guide rod and spring.

Please elaborate on the guide rod being crooked. Are you refering to how it looks when you look in the crack between the dust cover and slide when the pistol is assembled?

12/20/2008 6:15:44 AM EDT
[#10]
Just shoot the damn thing.
12/20/2008 9:12:39 AM EDT
[#11]
Quoted:
Could the recoil spring have anything to do with the fit?  NO
And is it normal for the guide rod to be crooked at an upward angle (my glock 17s is perfectly straight.)


Yes, when you lock the slide back, the guide rod will be angled up.
12/20/2008 8:04:28 PM EDT
[#12]
Please elaborate on the guide rod being crooked. Are you refering to how it looks when you look in the crack between the dust cover and slide when the pistol is assembled?



when i talk about the guide rod being crooked i am refering to looking at it when the slide locked back. Well with the replies im getting it seems like the glock is perfectly normal. I am just kinda suprised about how much slide to frame movement there is compared to my glock 17. I may throw in a new recoil spring just to be safe.
12/21/2008 10:00:18 AM EDT
[#13]
Quoted:
Please elaborate on the guide rod being crooked. Are you refering to how it looks when you look in the crack between the dust cover and slide when the pistol is assembled?



when i talk about the guide rod being crooked i am refering to looking at it when the slide locked back. Well with the replies im getting it seems like the glock is perfectly normal. I am just kinda suprised about how much slide to frame movement there is compared to my glock 17. I may throw in a new recoil spring just to be safe.


The recoil spring has nothing, NOTHING, not a damn thing, to do with the slide to frame fit.  NOTHING.  Is that clear?  It has about as much to do with slide to frame tightness as it does with the bullet engaging the rifling, or in other words NOTHING.
Slide and frame fit are because of the size of the rails and the grooves in the slide.  If the rails on the frame are smaller than the grooves on the slide, it will be loose.
If you are that worried about it, find a smith that can compress the rails on the slide at the two points it contacts the frame rails when in battery.  Not squeezing the sides of the slide, but from the top and bottom at just those two points.

Or just send it back to Glock with your concerns.  Or just call them and ask.
Look at other G21s and see if maybe, just maybe yours is out of spec and your frame or slide rails are too loose.  Very doubtful, but to make you feel better.
12/21/2008 10:58:49 AM EDT
[#14]
12/21/2008 11:16:03 AM EDT
[#15]
I do armorers inspections on 285 Glock 21's a year.  They are all like that, and they all work!  Don't sweat it.