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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
by our special design
Suitable For Tokyo Marui M4 Series Airsoft Rifle
Design for Improve your Hop-Up Performance
Precision barrel
Madbull M120 Non-Linear Spring Inner-Barrel-Length-(mm)_255 by our special designMadbull M120 Non Linear Spring Full Metal Construction Upgrade Spring M120 Premium quality German piano wire The color is not painted. It is hard coated by special process Calculated carefully by computer and test by 100000 times punching Supreme Quality Airsoft Electric Gun Spring
