- for WE MSK GBB
- This set includes an aluminum loading nozzle, three nozzle tips and a tool

Tested with 0.2g bbs, 370mm inner barrel, the muzzle velocity reads as below:
    Red 4mm - 145 m/s (475 fps)
    Blue 3mm - 125 m/s (410 fps)
    Grenn 2mm - 95 m/s (312 fps)

Manufacturer : RA-TECH