Glock 22 with Speer Golt Dot 155 grain 3 out of 4 jammed - carry load?

[Devildawg2531]

Had something happen today that has never happened before. I was sighting in my gen 3 G22 as I had just put AmeriGlo Hackathorn night sights on it. I decided to shoot my carry load which is Speer Gold Dot 155 and 3 out of the 1st 4 rounds jammed. Up until now this gun has been 100% through a few thousand rounds. Having the gun, mag ammo combo that you were just carrying jam 3 out of 4 REALLY made me wonder. I changed the mag and went through 70 more rounds of the same Gold Dot and had no issues so I'm almost positive it's the mag.

So at this point I've marked the bad / questionable mag - my question is what do you do with bad Glock mags? Do you toss them, put in new mag springs, use them as a training mag, etc. I've never had a bad Glock mag and tossing it is a little painful as the pre ban Glock .40 15 rounders use to sell for $80 - $120 during the high cap ban.

I've got some photo's of the jam that I will try to get added.

[JHC]

How many rounds on your recoil spring? A few thousand may be all their is the life in a .40 for the recoil spring. Can't say I know for sure but it wouldn't be shocking.

Training mag status for that magazine unless a new recoil spring shows the mag to be GTG.

[ST911]

"Jam" is a fairly meaningless term. Please describe your stoppage in more detail. Where are the empty cases or live cartridges when the stoppage is occurring?

Do you have a light attached? Which one?

How old are your magazines? Which follower? 10 or 11 coil magazine spring?

[operator81]

Depends on the malfunction. The 155 grain Gold Dot is a pretty hot load, so if your magazine springs are weak that could be an issue. I'd start by putting in a new may spring and the most up to date follower. Maybe install a new recoil spring if you have around 5000 rounds on your current spring. Without knowing the malfunction, this is about all the advice I can offer at this point

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[operator81]

Another thing: what led to you choosing the 155 grain load? Those are quite vicious. A 180 grain will be more pleasant to shoot and might be less prone to malfunctions if your recoil and magazine springs are getting weak.

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[ST911]

Installation of the most recent follower may be neither advisable, nor possible, depending on which magazine body he has.

[Devildawg2531]

How many rounds on your recoil spring? A few thousand may be all their is the life in a .40 for the recoil spring. Can't say I know for sure but it wouldn't be shocking.

Training mag status for that magazine unless a new recoil spring shows the mag to be GTG.

The recoil spring is original and has approximately 3k on it.

[Devildawg2531]

"Jam" is a fairly meaningless term. Please describe your stoppage in more detail. Where are the empty cases or live cartridges when the stoppage is occurring?

Do you have a light attached? Which one?

How old are your magazines? Which follower? 10 or 11 coil magazine spring?

On one the empty case caught the slide and on the other 2 the empty ejected but the slide locked back on the next round - removing the magazine caused the slide to go forward.
Yes I have a Surefire X300 attached. I don't think that's the issue as it was fine after changing mags.
I don't know how old the bad magazine is as I have about 25 Glock .40 mags that I have bought from early 90's through now. I will check out the bad mag.

[Devildawg2531]

Another thing: what led to you choosing the 155 grain load? Those are quite vicious. A 180 grain will be more pleasant to shoot and might be less prone to malfunctions if your recoil and magazine springs are getting weak.

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I've carried the Speer Gold Dot 155 for about 10 years as I've read good feedback. I'm a big guy 6'3 225 and honestly don't find any .40 load vicious. I shoot the same load in my G27. I don't normally do high volume with the Gold Dot as it is expensive; and normally shoot 180 grain in training.

[Devildawg2531]

Here are the photo's of the jam.