I racked my Glock 19 Gen 4 to check to see if a shell was in the cylinder. The gun jammed and The slide would not go back. I continue to try to rack it and finally the slide came all the way back in place. I then tried to rack shell into the cylinder and it would not load. I ttried numerous times i and could not get it to load. What should I do?
Failure to feed
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Kswink1956
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I racked my Glock 19 Gen 4 to check to see if a shell was in the cylinder. The gun jammed and The slide would not go back. I continue to try to rack it and finally the slide came all the way back in place. I then tried to rack shell into the cylinder and it would not load. I ttried numerous times i and could not get it to load. What should I do?
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Is this a new gun or has it been shot before?
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Put the weapon down and take some classes
This times 100
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I have fired a Glock 19 before but not this one. I bought it new in 2018. An injury makes it difficult for me to go to the range.
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Maybe start from the beginning.
Was it loaded? When you pulled the slide back did you have an empty mag in it? If so it was catching on the slide release. (As it should) And doesn’t travel back much further and won’t release without manipulating the slide release.
When you tried to “load” it did you pull it back smartly and let it go forward under spring pressure? Or did you ease it home? If you eased it home, it is unlikely it will go fully into battery. This is the kind of info needed to help with an operator and gun we can’t see.
Was it loaded? When you pulled the slide back did you have an empty mag in it? If so it was catching on the slide release. (As it should) And doesn’t travel back much further and won’t release without manipulating the slide release.
When you tried to “load” it did you pull it back smartly and let it go forward under spring pressure? Or did you ease it home? If you eased it home, it is unlikely it will go fully into battery. This is the kind of info needed to help with an operator and gun we can’t see.
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When you're trying to load a round in the chamber are you loading it from the magazine? Dropping a round straight into the chamber and closing the slide doesn't work reliably with Glocks and can break the extractor claw. Glocks have to load from the magazine.
One thing that might be causing both difficulty ejecting a live round and failure to feed is the overall length of the round is too long causing the bullet to get stuck on the rifling in the bore. Normally the bullet won't touch the rifling until the round is fired and the bullet leaves the casing. You can test whether your rounds OAL(overall length) is too long for that barrel by plunk testing the rounds. To do this you unload the gun and field strip it. Swab the bore with a patch or two to make sure its dry of gun oil. Hold just the barrel in your hand with the chamber facing up and drop a round in the chamber then give a firm push on the back of the round pushing it into the chamber with your thumb, then turn the barrel so the chamber faces down and the round should fall out on its own due to gravity. If it doesn't you may need a bore cleaning rod pushed in from the muzzle end of the barrel to get it out. If it got stuck and you see rifling marks on the bullet the OAL of that round is too long for that barrel. If you don't see rifling marks but it still got stuck the casings may not be sized properly, this usually only happens with reloads. If the round didn't get stuck something else is causing those problems but it's a good idea to test multiple rounds because some may be problematic while others from the same box may work fine.
One thing that might be causing both difficulty ejecting a live round and failure to feed is the overall length of the round is too long causing the bullet to get stuck on the rifling in the bore. Normally the bullet won't touch the rifling until the round is fired and the bullet leaves the casing. You can test whether your rounds OAL(overall length) is too long for that barrel by plunk testing the rounds. To do this you unload the gun and field strip it. Swab the bore with a patch or two to make sure its dry of gun oil. Hold just the barrel in your hand with the chamber facing up and drop a round in the chamber then give a firm push on the back of the round pushing it into the chamber with your thumb, then turn the barrel so the chamber faces down and the round should fall out on its own due to gravity. If it doesn't you may need a bore cleaning rod pushed in from the muzzle end of the barrel to get it out. If it got stuck and you see rifling marks on the bullet the OAL of that round is too long for that barrel. If you don't see rifling marks but it still got stuck the casings may not be sized properly, this usually only happens with reloads. If the round didn't get stuck something else is causing those problems but it's a good idea to test multiple rounds because some may be problematic while others from the same box may work fine.
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First - post #7 by voyager4520 is an excellent read with items to consider.
Second -
From Glock Armorer’s Manual
Observed Problem – Failure to feed
Probable Causes -
- Dirty Chamber
- Tight Extractor
- Magazine not properly inserted
- Dirty magazine
- Weak magazine spring
- Deformed magazine (magazine sides or lips deformed)
- Weak recoil spring
- Underpowered ammunition
- Shooting with an unlocked wrist
By your description, you can eliminate some of the above right away (probably #8&9).
It’s always easier for an armorer/gunsmith to trouble-shoot with the firearm in his/her hands but at least this will get you started with the problem.
OR see a Glock armorer. We ALL started somewhere. Don't be hesitant to ask someone with firearm knowledge to take a look and explain things to you.
Good luck.
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12,174 Posts
Well first of all, it's not a shell, it's a loaded round. And it's not a revolver that has a cylinder, it's the chamber of the barrel. Last, you can't do anything slowly on a Glock, it doesn't work. Slide lock it or slingshot it, violently. Then function fire at least 10 rounds thru each mag.
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3,467 Posts
What ammo are you using? Make sure you have 9mm Luger, which is also 9x19 parabellum.
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9,031 Posts
Great response! Good info for us all.First - post #7 by voyager4520 is an excellent read with items to consider.
Second -
From Glock Armorer’s Manual
Observed Problem – Failure to feed
Probable Causes -
Third -
- Dirty Chamber
- Tight Extractor
- Magazine not properly inserted
- Dirty magazine
- Weak magazine spring
- Deformed magazine (magazine sides or lips deformed)
- Weak recoil spring
- Underpowered ammunition
- Shooting with an unlocked wrist
By your description, you can eliminate some of the above right away (probably #8&9).
It’s always easier for an armorer/gunsmith to trouble-shoot with the firearm in his/her hands but at least this will get you started with the problem.
OR see a Glock armorer. We ALL started somewhere. Don't be hesitant to ask someone with firearm knowledge to take a look and explain things to you.
Good luck.
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