- Adjust the muzzle velocity
- Change delivery method
Adjust the muzzle velocity
Simple muzzle velocity adjust do not require additional charges, If needed to install parts or time-consuming adjustments, you will be charged，( sample : install longer inner barrel for increase muzzle velocity / special custom work of downgrade or upgrade muzzle velocity )
Simple spin-offs do not require additional charges, complicated or time-consuming ones require additional charges
There are different customs clearance standards in different countries. If you buy airsoft gun, we will recommend choosing freight that can pass customs safely.