Guarder Steel Reinforced Hop-Up Kit for KWA / KSC M4A1 Airsoft GBB Rifles
Features:
- Reinforced steel replacement hopup assembly for 1st gen KWA/KSC M4A1 GBB rifles (2nd gen rifles require Guarder TN-21/22/23/24 inner barrels)
- Complete hopup unit
- 70 degree silicon gel bucking included
Compatibility: For KWA / KSC and Other Compatible Airsoft GBB Rifles
Material: Steel, Brass, Polymer
Manufacturer: Guarder