Maple Leaf AUTOBOT hop packing for VSR rifle/gas pistols (60°)

New custom model with new contact point construction
ideal rubber fabric with medium soft hardness for max m120 spring power
new internal cone shape with best range shooting performance
metal seal ring for max air flow impact (no strictly necessary) 
for VSR rifles and pistol 1911, hi capa, p226, mk23, g17, m9, samurai edge, meu 
fits Marui, WE, KJ gas pistol and compatible brands