DRAGON WORKSHOP 120% Reinforcement Recoil Spring For Tokyo Marui AK GBB Airsoft

DRAGON WORKSHOP 120% Reinforcement Recoil Spring For Tokyo Marui AK GBB Airsoft Steel Construction Airsoft Recoil Spring 120% Power Up Design For Upgrade the Original Parts Suitable For Tokyo Marui AKM Series Gas Blow Back GBB Airsoft Rifle