SHS Polycarbonate Piston w/ Full Steel Tooth Rack for SR-25

Lightweight elongated polygonal design Polycarbonate construction with steel teeth insert Full length 19 tooth rack Fits a wide variety of extended version 2 style gearboxes Manufacturer: SHS Specifications: Piston Material: Impact Absorbing Polycarbonate Tooth Material: Steel Number of Teeth: 19 Compatibility: Extended Version 2 such as SR-25 and L85 Series Airsoft AEG Gearboxes. Not Compatible with A&K SR-25 Series.