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Full Steel Teeth Polycarbonate Piston for Airsoft AEG Gearbox by King Arms / Matrix

2 Customer Reviews

by Tonathiu A. on 09/04/2017
"recommended an excellent piston for a very durable M130-M160 spring I got it with a spring M130 16: 1 gear ratio and Lonex A1 45,000RPM motor and a 9.6 3200 mAh battery and it works perfectly
by Marek P. on 02/26/2014
"Superb piston. From the look of it before I install it, this item is extremely hard and strong, yet light weight.

Smooth polished surface.
Defined and hard full rack of teeth
Very hard

None so far, will post back if this don't last at least 40,000 rounds.