Systema Polycarbonate Helical Piston AEG
DetailsUpgrade Polycarbonate Piston - Higher Strength and Less Friction for Upgraded AEG's with Helical Gear Set
- For upgrade springs higher than M120
Fits Any MP5 and M4/M16's
Compatible with most AEG (Marui, ICS, Classic Army, etc.)
Note: Product may ship in either Black or Red version. Color may vary with availability.