Echo1 M16 Complete Gearbox with MOSFET
7mm Reinforced Gear Box
7mm Bearing
Metal SPring Guide
Metal Gear Set
Metal Tooth Piston Body
Alum. Cylnder
Ported Polycarb Piston Head
MOSFET LOW Resistance Wiring Harness (to the back/ M16 style)
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$129.95
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