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SurplusIG · February 26th, 2012, 12:18

Hello,

Ive got an M4 by king arms, that Im trying to fix and it has me scratching my head at the moment.

The gun itself feeds perfectly, and handles a high-rate of fire with no miss-feeds. The gun is pretty quiet as it is, there hasnt been any modifications done to the gun. It is shooting around 350 fps also.

The problem it was giving me at first, was it would occasionally stop shooting, I would adjust the motor height just slightly and it would begin firing again. As these seems to have sorted my problem with the gun no longer firing, it now shoots full auto with a slight trigger pull in semi. If I pull the trigger to the end it fires as it normally should in semi auto, but if I pull it back about 80% it fires in full auto. I have checked the cut-off lever from the outside, and it doesnt seem to be jammed, it is springing back into place no problem. I had taken it apart a week ago, and it didnt seem to show any signs of wear, any suggestions on what it may be?

Thanks for any help!

February 26th, 2012, 12:18	#1
SurplusIG Trader rating Join Date: Feb 2008 Location: Montréal, QC	King Arms M4 firing problems Hello, Ive got an M4 by king arms, that Im trying to fix and it has me scratching my head at the moment. The gun itself feeds perfectly, and handles a high-rate of fire with no miss-feeds. The gun is pretty quiet as it is, there hasnt been any modifications done to the gun. It is shooting around 350 fps also. The problem it was giving me at first, was it would occasionally stop shooting, I would adjust the motor height just slightly and it would begin firing again. As these seems to have sorted my problem with the gun no longer firing, it now shoots full auto with a slight trigger pull in semi. If I pull the trigger to the end it fires as it normally should in semi auto, but if I pull it back about 80% it fires in full auto. I have checked the cut-off lever from the outside, and it doesnt seem to be jammed, it is springing back into place no problem. I had taken it apart a week ago, and it didnt seem to show any signs of wear, any suggestions on what it may be? Thanks for any help!