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mcguyver · February 6th, 2006, 23:09

I remember when I got my MP5K PDW a few years ago. It was set for safe and my sister was playing around with it and pulled on the trigger really hard, and it shifted the selector cam slightly (out of the groove that joins it to the selector plate) and it did the same thing. The only recourse I had was to tear the lower off and reset it back to it's proper position. It took some time as I didn't know anything about AEG's then, and I've had to do it again one other time after lending it out to a fellow at a game.

I think basically what happens is the selector plate never properly gets set to the semi position, thereby not applying the proper spring tension on the semi-auto release bar and giving you problems in trigger pulling. Full auto would just move that bar out of the loop, so to speak, and is easy to achieve even if the selector is not precisely in position. Semi-auto needs to be fairly precise as there now need to be interlocking done between the selector plate, the semi-auto bar and the sector gear.

February 6th, 2006, 23:09	#5
mcguyver Trader rating Join Date: Aug 2005 Location: Northern Alberta	I remember when I got my MP5K PDW a few years ago. It was set for safe and my sister was playing around with it and pulled on the trigger really hard, and it shifted the selector cam slightly (out of the groove that joins it to the selector plate) and it did the same thing. The only recourse I had was to tear the lower off and reset it back to it's proper position. It took some time as I didn't know anything about AEG's then, and I've had to do it again one other time after lending it out to a fellow at a game. I think basically what happens is the selector plate never properly gets set to the semi position, thereby not applying the proper spring tension on the semi-auto release bar and giving you problems in trigger pulling. Full auto would just move that bar out of the loop, so to speak, and is easy to achieve even if the selector is not precisely in position. Semi-auto needs to be fairly precise as there now need to be interlocking done between the selector plate, the semi-auto bar and the sector gear.