T8 Type S Complete Steel Super High Speed Bolt Set For Marui MWS GBB

T8 Type S Complete Steel Super High Speed Bolt Set For Marui MWS GBB Steel Construction Design For Upgrade the Original Parts With Rollers Installed in the Rear of the Bolt For Ensuring fast Cycling and Robustness due to the High-grade Materials Used Suitable for Tokyo Marui MWS Series Gas Blow Back GBB Rifle Airsoft Guns Please do note that this bolt set will only work with RS-size buffer tubes with an inner dimension of 25.5mm.