Airsoft AEG piston for v2 and v3 gearbox.

Uses an 8mm wide rack, that is offset 0.8mm for better shimming.

Needs to be printed in high impact strength material, i used polymide pa6-cf20 from polymaker and the weight is 6.2 grams.

Its tested with sp130 (2,3 joule for testing), 39 rps and shot around 10k so far with no signs of wear and tear.

Print and use at your own risk