Progressive AEG spring - M170
High quality spring for AEG and manual SVD. Progressive wiring provide less stress for piston, gears and motor. Manufactured in Taiwan from piano wire imported from Germany. Annealed spring steel, asymmetric 2~3 section design, low deformability, easy to compress
is an airsoft manufacturer in Taiwan producing spare, upgrade parts and accessories such as hop-up chambers, inner barrels, motors, connectors, wiring, parts for gearbox and even outer parts such as handguards and stocks, so you can make a complete AEG just using parts from them. In 2020 SLONG Airsoft released its own M4 AEG rifle.