Pro Arms 130% Air Nozzle Return Spring (Black) - AAP01 / AAP01C (3pcs in 1 pack) Silver Color The AEG Spring SP 85-100

The AEG Spring SP 85-100 recommended

Inside diameter : 6

Length: 189

Height: 13

Chrome Stainless Barrel

Pro Arms 130% Air Nozzle Return Spring (Black) - AAP01 / AAP01C (3pcs in 1 pack) Silver Color The AEG Spring SP 85-100Color: BlackItem No.: PA AA AAP01 101*PS: Please note: installing parts assemble fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith. Please refer to your airsoft gunsmith for proper installation fitting. Fitting may be needed as the condition of each airsoft gun might be different. Regular maintenance is needed for all airsoft guns in order to keep it in good working condition and reduce wear out issue on parts. The