Essential part for upgrading your Airsoft AEG and GEL BLASTER
Manufacturer: COOLHOBBYFit for Version 2 / 3 Gear BoxMaterial:SteelWeight:10g
Package Including:4PCS 0.1mm SHIMS4PCS 0.2mm SHIMS5PCS 0.3mm SHIMS5PCS 0.5mm SHIMS