AAP01 Aluminum Upper Lock
7075 Aluminium material with CNC machined
Colour available: Silver, Black, Gold, Red, Blue & Rainbow
For Action Army AAP01
It may has a condition that your pistol cannot feed the BB bullet due to the lightweight gas supply. You just simple remove a spacer to solve the issue. Alternatively, you may consult your gunsmith for advancing fitting to solve this issue as well.
Increasing in FPS can be achieved; however, it may require other parts to collaborate and advanced skill is needed. improper installation/fitting can shorten the life of the product.