Hey guys, hows it going? I tried searching this and came up with a possible answer. But Did anyone else have a problem with a "whining" sound coming from the motor after they installed the Magpul PTS Moe pistol grip? I looked it up and people were saying to use the metal reinforced motor plate. But shouldn't the stock plastic one work as a "drop in mod" since it was KWA tested? Or is it because I could have bought a PTS "replica".
MOE pistol grip whining?
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