Autobot 2021 Silicon VSR/GBB Bucking 50° (Green)

For WE/ Marui / KJ / VFC GBB

• • Anti-freeze silicon material
  • Stainless c-ring included for tight sealing. Optional installation.
  • Slightly narrow entrance for better sealing for more consistent power output
  • Special pressure point geometry greatly improves hop up performance and more predictable trajectory. 
  • For WE/Marui/KJ/VFC GBB pistols and rifles
  • For VSR10 spring gun series
    
    
  • Suggestion of use:
  • Green 50° - muzzle velocity below 80 m/s
  • Yellow 60° - muzzle velocity below 100 m/s
  • Blue 70° - muzzle velocity 100~130 m/s
  • Red 80° - muzzle velocity 130~160 m/s
  • Black 85° - muzzle velocity above 160 m/s