Kjw 1911
 

When the trigger is pulled, the gun gives a very weak burst of gas and the slide only moves back a little bit. I have tried multiple mags.

When turned upside down, it cycles properly.

I tore both slide and frame down looking for any broken/missing pieces.

My guess is that the stock piston is crap and when I fire it upside down, the additional gas is enough to cycle it, but I'm looking for other opinions.



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Sounds like you have a broken/cracked piston/nozzle.

Okay, was kind of along my thought process. Any secondary ideas? Because if I'm gonna order parts, might as well get em all at once...


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That's likely the culprit and has the symptoms you described.