Nine Ball Hard Piston Plus for Tokyo Marui MP7A1 Length-(mm)_177 FULL METAL CONSTRUCTION resemble the

FULL METAL CONSTRUCTION resemble the M92F ELITE IA (1:1 Ratio)

Suitable for 110mm-200mm Inner Barrel

WE 16 rds Magazine for WE M1911/ Socom Gear MEU 1911 Limited Edition

You can use all Mad Bull B

ICS and Classic Army M4 Series Airsoft Electric Gun AEG Rifle

Nine Ball Hard Piston Plus for Tokyo Marui MP7A1 Length-(mm)_177 FULL METAL CONSTRUCTION resemble theNine Ball Hard Piston Plus for Tokyo Marui MP7A1 Reinforced POM Construction Increase the durability of your pistol Design for Replace the Original Piston Suitable For Tokyo Marui MP7A1 Series Airsoft AEG Rifle As always, upgrading GBB require necessary skill & technique, consult expertise if needed