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Posted: 7/3/2011 12:01:10 PM EDT
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I built my first two post samples. The one that is full auto runs just fine but the one with three round burst fails to eject only when it is on burst, not when it is on semi. It may be the upper but I couldn't swap it while I was there so I don't know, this was the first time to try either the upper or lower (I know, upper should have been one known to work). I'm going to go back with another upper but I was hoping somebody might know something in the lower build that may cause that.
Any thoughts would be appreciated |
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Quoted:
I built my first two post samples. The one that is full auto runs just fine but the one with three round burst fails to eject only when it is on burst, not when it is on semi. It may be the upper but I couldn't swap it while I was there so I don't know, this was the first time to try either the upper or lower (I know, upper should have been one known to work). I'm going to go back with another upper but I was hoping somebody might know something in the lower build that may cause that. Any thoughts would be appreciated As you mentioned you need to try the Upper that worked on full auto with the lower that has the Burst FCG installed. Also try the Burst upper on the FA lower, that will help you eliminate any issues with the lowers. I had an ejection problem when I went with a shorter barrel and BCG. Would get Failure to eject sometimes with semi but would happen more with full, installed the O ring around the ejecter spring and had no issues since. Also it would help others to try to help you if you could give us all the details on the two uppers? Barrel Lengths, manufacture info, BCG info etc... |
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