Groombug, you raise an excellent point. My M4 currently has Systema metal piston/piston head, metal bushings, EG1000 motor, PDI 170% spring, and Systema Torque-up gears. When I do the conversion, I would probably step down to a 130% and use .12g BBs. Does all this sound good so far?
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...and she's terribly partial to the periwinkle blue.
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