Currently out of stock across all retailers.
- PPS M130 Spring Cylinder Unit For Systema PTW M4 M16 Series Rifles Airsoft - Made out of aluminum and steel. - Full steel piston teeth. - M130 power spring offer around 420-445fps (Please noted power output may vary if used in conjunction with custom upgrade parts). - Suitable for Systema PTW M4 / M16 series. - Fit for CTW and DTW. - Weight - Approx 175g - Original Packing.