These will fit 6mm gearbox and are thinner in design to have the same size features of the TM, Echo1, JG bushing plus extra featurs like double oil inner groves. These are also compatible with most AEGs and ideal for high fps modifications. CNC machined from solid stainless steel block and polished smooth to prevent friction. Modify manufactures one of the top quality airsoft parts in the market comparable to Systema, Guarder, Bravo parts.
- Model: MOD BS ECHO
- Manufactured by: MODIFY Parts
- Size: 6mm
- Type: Stainless steel bushing