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Blowback unit returning very slowly

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Hi guys.

 

My glock 19 has a few issues.

 

Firstly it will only fire full auto (I think it is the sear (see EDs tech tuesday G18 episode) so I will try that)

 

Also it seems that the blowback unit is very slow to retract when pulled slightly forward by hand ...

 

Any ideas or suggestions

 

Thanks

 

Joel

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When it cycles, does it cycle fully? Best way to check is use an empty mag, fill it up and then shoot it - see if it locks back. This sounds like classic short-stroking (giggedy) and the hammer not being reset. If it's not that then like you say the sear could easily be the issue. That's an 18C issue though.

 

Is this a G18 or G19? You said 19 but then cite that video for the G18C?

 

The bit with the nozzle retracting slowly could be a damaged piston lid/seal.

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It is a 19 I was using 18c video as a reference as I know the sears are similar across the platforms (of course with the 19's being shorter)

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When it cycles, does it cycle fully? Best way to check is use an empty mag, fill it up and then shoot it - see if it locks back. This sounds like classic short-stroking (giggedy) and the hammer not being reset. If it's not that then like you say the sear could easily be the issue. That's an 18C issue though.

 

Is this a G18 or G19? You said 19 but then cite that video for the G18C?

 

The bit with the nozzle retracting slowly could be a damaged piston lid/seal.

When used with an empty mag it will lock back fine.

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On the underside of your slide to the rear you'll see there's a lump that pokes up about 8mm from the end of the rear of the slide - that's usually the bit that wears. If it's too worn then it'll keep pew pewing. I'd check there first.

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