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Old October 27, 2012, 07:44 PM   #1
Billy the Kidder
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How out of whack is this?

This is the rear sight on my new G34. This is where it needs to be to get center hits. Distance is 40'

I don't believe it's me, as I am shooting more or less the same gun (G19) with the sights centered.

Is this acceptable or should I be thinking there is something wrong with the gun?
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Old October 27, 2012, 08:25 PM   #2
the rifleer
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I have a mini 14 that has pretty much the same problem. I dont worry about it because its reliable and groups well. Try different ammo if you haven't. you might be surprised to find some ammo has a fairly significant impact difference.
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Old October 27, 2012, 08:35 PM   #3
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Quote:
Try different ammo if you haven't. you might be surprised to find some ammo has a fairly significant impact difference.
The above... and as this is a new gun, you may find that the POA/POI changes as the gun breaks in.

Just for grins... get a dummy round into the chamber and take a look at the barrel to see if it's centered in the slide? I know... weird, but give it a look.

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Old October 27, 2012, 08:35 PM   #4
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So far I have just run some of the Blazer 115 grain FMJ (brass and aluminum cases) through it. I'll give your suggestion a try.
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Old October 27, 2012, 08:46 PM   #5
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I'd let someone else give the gun a try. Someone who is really good with a handgun. If they print the same groups with your sights zeroed like that then keep it. If not, you know you're the problem.

Also, the key to accuracy is consistency. If you are consistent, and you can put the lead where you want it, who cares where the sights are


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Old October 27, 2012, 08:52 PM   #6
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I've never seen a G34/35/24/17L with a rear sight that askew....
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Old October 27, 2012, 08:58 PM   #7
Billy the Kidder
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I shot off a bag today and the results were the same. I don't think it's me as I'm also shooting virtually the same gun, a Glock 19. The sights have not been touched on that and they are centered.

I've shot perhaps 300 rounds with this gun. I'll try some different ammunition tomorrow.
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Old October 27, 2012, 09:00 PM   #8
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Another vote for let another person shoot it(If possible someone that you know shoots well with a g17/34). Even if you've been shooting a g19, the proportions and backstraps are different between the grip on the g19 frame and the g17/34 frame.
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Old October 28, 2012, 01:49 PM   #9
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Had someone else (G17 owner) shoot the gun today, their results were the same as mine, so it's not me. They did mention that the sight on their gun was similar, though not as extreme as mine. Should I figure this is acceptable deviation?
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Old October 28, 2012, 01:56 PM   #10
Nathan
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Personally, I would ask Glock. What if your new favorite load required it to be moved more and you ran out of adjustment.

IMO, this happens sometimes, but the customer shouldn't get struck with it. Won't Glock make it right? By the average internetr post, they would love some warranty work!
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Old October 28, 2012, 02:11 PM   #11
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That should not be that far off imho.. Id have some one Else shoot it and see what they get... My 34 came with a fixed rear sight...
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Old October 28, 2012, 02:25 PM   #12
sigcurious
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My 34 came with a fixed rear sight...
That's odd, did you buy it used?


OP, it is coincidentally odd that they person you had shoot yours also needed to adjust the rear sight on their g17. That being said, it's within the range of the adjustable sight, so I'd guess it's up to you whether its acceptable or not. Even glock can't make 'em all perfect

Out of curiosity, is yours a gen 3 or gen 4?
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Old October 28, 2012, 02:47 PM   #13
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They bought their gun used and it came already adjusted, they only noticed it when someone brought it to their attention. Mine is new and I adjusted it.

Generation4

I have not spoken to Glock regarding the matter yet.
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Old October 28, 2012, 04:48 PM   #14
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Quote:
Originally Posted by sigcurious View Post
That's odd, did you buy it used?


Out of curiosity, is yours a gen 3 or gen 4?
Nope brand new Gen 4 blue label they come with fixed rear sight and standard 5.5# trigger... Well not really its more like 7#'s LOL...

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Old October 28, 2012, 04:50 PM   #15
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Interesting, didn't know they swapped stuff for the blue labels.
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Old October 28, 2012, 04:54 PM   #16
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My G 35 was like that. But sight itself was not centered on slide.
I've taped it to the right a little and then readjusted windage.
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Old October 28, 2012, 06:40 PM   #17
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That being said, it's within the range of the adjustable sight, so I'd guess it's up to you whether its acceptable or not.
That's what I was thinking. If you had to adjust it so much to one side, that the sight fell off, then it would be a problem.
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Old October 29, 2012, 05:17 PM   #18
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Spoke to technical support this AM. I'ts going back to Smyrna. Wish me luck.
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Old October 29, 2012, 05:33 PM   #19
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My G 35 was like that. But sight itself was not centered on slide.
That would be the first thing I looked at.

If it's going back to Glock my guess is it'll come back good to go.
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Old October 29, 2012, 11:49 PM   #20
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The base of the sight was a tiny bit to the right (under 1/64)
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Old October 29, 2012, 11:55 PM   #21
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I have to confess I don't understand the reasoning behind the idea that if adjustable sights on a gun actually have to be adjusted off center the gun needs to go back to the factory.
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Old October 30, 2012, 12:25 AM   #22
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I agree with john, I was goign to post the exact same thing only he beat me to it.

you buy a gun with adjustable sights so that you DON'T have to send it back to the factory if they are off. if you adjust them and it hits what you aim at what is the problem?
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Old October 30, 2012, 02:01 AM   #23
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It is not a good idea to use all of your adjustments to locate mechanical zero.

Notice that all the adjustments were used and then it reached zero.

I think it's the shooter. I've seen this in about 3% of issued service pistols equipped with adjustable sights. The fix is subtle. It is a matter of trigger control and confirmation of dominate eye. But it could be the gun. Have fun and good luck.
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Old October 30, 2012, 11:02 AM   #24
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John, if the sight is skewed so far to one side like that, it affects snap shooting. Your natural instinct to center the gun's lines with the target are slowed down when the (correct) line has to be adjusted via the sights.

Point shooting hits will all be to the left in his case.

My new p01 was giving me accuracy issues the first time I used it at a match. I'm not usually one to jerk the trigger, and I confirmed the rear sight was off a bit after shooting on a rest. 1mm to the right brought hits back on center.

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Old October 30, 2012, 01:53 PM   #25
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The G19 and the G34 don't sit in the hand exactly the same way.

Using the same grip on a G19 as I do a G34, I will shoot slightly left.

If I use the same grip and the G34 as I do the G19, I will shoot slightly right.

If you haven't sent the gun to Smyrna yet, do a test.

Clear the gun, grip the gun in a firing grip, pull the trigger at a safe back stop, now without moving, tighten your grip as hard as you can while putting extra pressure on the trigger and keep watching your front sight.

If it moves, you need to adjust your grip a little bit, when you are tightening your grip in anticipation of recoil, you might be twisting a little on the G34.

The hump on the back of the grip is in a slightly different location, lower relative to the grip of the G19 and might make it a little different for you.

It does to me.
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