GHK
AKM / GKM-21
$20.00
AKM / GKM-21 GHK GKS74U / GK105 Folding Stock Mechansim ● Including folding axis*1, spring*1, and fixed pin*1. ● Please refer to assembly steps as following picture...
Reinforced Hammer Spring for GHK Series
$8.00
Reinforced Hammer Spring for GHK Series - Better flexbility. - To increase the muzzle velocity and reoil reaction slightly. Test Data : Before replacement :110m/s After replacement, increase the muzzle velocity, and the data is about 120m/s..