SP120 Full Tune-Up Kit for TM AK47/AK47S

Upgrade your AEG to SP120 more fast & smart! Suggested Use 9.6V 1700mA or Higher Battery Full Tune-Up Kit Include: SP120 Spring (Oil Quenched/Tempered Si-Cr Alloy Steel Wire) Polycarbonate Piston Air Seal Nozzle Ball Bearings Spring Guide Polycarbonate Ventilation Piston Head Stainless Cylinder Head Lucid Chromium Plating Cylinder Original Type Steel Gear Enhanced Tappet 6mm Steel Bushing Shim Set Taflon Grease Material: S303 Stainless Steel/Brass/Polycarbonate/Aluminum/Acetal/Steel Weight: 310g Item No.: FTK-27