Hello. I own a new ASG CZ P09 GBB pistol with polymer slide. The problem is that it can barely fire 3-5 shots before short stroking and then venting all the gas in the magazine. Even at the first couple of shots you can see the gas escaping through the slide and the pistol gets cold almost instantly. I have sent it back at the retailer but they did not help as they insist there is no problem with the pistol. I have tried different magazines, shot it lubed and oiled, shot it dry, changed the nozzle along with its o-rings, nothing changed. Can anyone suggest a possible solution? Thank you.
ASG CZ P-09 polymer slide venting all gas after a few shots.
- Thread starter Pistolguy
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- #3
I have tested it out both indoors and outdoors, summer and winter time. It fares marginally better during summer time, meaning it vents all the gas at about 7-8 shots instead of 5. Gas escape from the slide during firing is also present in the warmer weather.
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Galvatron
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- Jan 21, 2023
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Have you checked the hammer assembly? That's my next port of call after you've ruled out the magazine, the nozzle and its O-rings and ambient temperatures. I've had gas venting and firing in full auto (on a Hi-Capa) because a sear spring was seated incorrectly.
- Thread starter
- #5
I checked, t is certainly not that. It doesn't really go full auto, it just short strokes by itself after the first 3-5 shots without actually shooting anything. It usually happens at the point the pistol gets extremely cold, regardless of the previous temperature. If I insert a fresh magazine at that point I can fire for another 3-5 shots before short stroking and venting gas again.
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