CowCow AAP01 Sear Spring Category_Safety Lever - Replace the standard Hop-up

- Replace the standard Hop-up Adjusting Wheel

Equipped with a combination of mechanical and FET switches

- Enhanced air sealing compared to stock versions

This we have seen with Glock and S&W M&P mags

All AEG by Tokyo Marui except Thompson/PSG

CowCow AAP01 Sear Spring Category_Safety Lever - Replace the standard Hop-upMade from High Strength Spring Steel For Action Army AAP01 **Important Notice** It may has a condition that your pistol cannot feed the BB bullet due to 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