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M1911 Mark Iv Ptp Inconsistent Power/blowback


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#1 wilywampa

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Posted 01 February 2012 - 05:39 PM

I have a M1911 Mark IV PTP, and sometimes it has plenty of power and strong blowback, but sometimes it doesn't even have enough power to cycle the slide and the FPS is low (on a full magazine of green gas, of course). The magazine is fully seated even when it lacks power. Any idea what could be wrong?

#2 gcw360

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Posted 01 February 2012 - 08:16 PM

Is it the same or a different mag when it acts up?

#3 wilywampa

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Posted 01 February 2012 - 08:54 PM

Everyone has been sold out of the magazines since I bought the gun, so I only have one.

#4 gcw360

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Posted 02 February 2012 - 08:23 AM

Pit a drop of silicone oil on the release valve. Also, clean and re-lube the slide, slide rails etc. as per the GBB maintenance guide.

See here: http://kwausa.com/fo...?showtopic=3111

and

http://kwausa.com/fo...?showtopic=3157




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