CowCow AAP-01 Aluminium Upper Lock - Blue The Black Library faster response and less air

faster response and less air used per shot

Black lightweight genuine carbon fibre stock

It does not require specialized battery management systems

modern design with hard retain to the gun

CowCow AAP-01 Aluminium Upper Lock - Blue The Black Library faster response and less airMay not work with AAP 01C Highlighted features: 7075 Aluminium material with CNC machined Easy Installation Various Colours **Important Notice** 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