Maple Leaf New AUTOBOT HopUp Bucking 70°

Specification:
for WE/ Marui / KJ / VFC GBB
Compatible with Maple Leaf GBB series Precision Inner Barrel
Anti-frozen silicone material
Stainless c-ring included for tight sealing. Optional installation.
New design of support bump on both sides
For WE/Marui/KJ/VFC GBB pistols and rifles
For VSR10 spring gun series

Suggestion of use:
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