Classic Army MP5K V.3 Complete Gearbox
- A Classic Army complete V3 gearbox for Proline MP5Kmodels.
- Can also be used in G36/AUG models with the correct trigger/selector/air nozzle installed.
- Features steel gears, a polycarbonate piston and ball bearing, ported piston head.
- Features a steel, ported cylinder for short to medium barrel lengths.
- Include wire harness with small Tamiya.