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KJW 1911 Using Lots of Gas

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Old October 30th, 2014, 22:30   #1
USP_45
 
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KJW 1911 Using Lots of Gas

So I bought this KJW 1911 MEU C02 version about a year ago, and recently I bought some KJW green gas mags for it. On C02 this thing could shoot 2-3 full mags worth of bb's, but on green gas mags it shot about 7-9 bb's before running out of gas. I filled it with propane for 4-5 seconds. The plume of gas coming out of the barrel was large, and some gas also came out of the back and sides of the slide.

A google search told me it may be a broken/faulty piston head, so I ordered one of those. I dropped that into my gun today, but I'm getting very minimal increase in performance, at about 12-14 per gas fill. During the field strip, I found nothing else that appeared to be broken, and all 5 of my magazines have the same issue, so I know its the gun thats the problem.

Is it because I'm not filling the mags long enough? Any other parts that might be causing this problem? Using propane in a C02 gun (it cycles and kicks fine though)? Or are 1911's and their small magazines are just naturally like this?

Any help would be appreciated
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Old October 30th, 2014, 22:50   #2
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The 1911 mags are so small they generally have this issue, I had the same issue (although not as many rounds, more like 3-4 shots per mag charge.)
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Old October 30th, 2014, 23:37   #3
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I had that problem, I have the m1911a1 in co2
The problem is that the nozzle is much thicker and meant for co2 and that caused it to stick to the hopup unit
you will need to get a green gas nozzle to fix it
With the transplant of a nozzle that came with my green gas meu from Kj, I am now able to get 15 shots but with original nozzle I am only able to 5 shots as well
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Last edited by redzaku; October 30th, 2014 at 23:40..
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Old October 31st, 2014, 19:50   #4
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By nozzle, do you mean the red plastic thing inside?
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Old October 31st, 2014, 21:11   #5
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Yes
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Old February 8th, 2015, 20:59   #6
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Yes. Have the same problem mine. Did the nozzle change work for you ?
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Old February 8th, 2015, 21:13   #7
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Quote:
Originally Posted by Trendkilla View Post
Yes. Have the same problem mine. Did the nozzle change work for you ?
not too sure for the OP but it did for me though
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