We have done all the hard work and spent a lot of money in research for you and these parts that I am now selling are the best and will be the right type of upgrade that will give you the best benefits.
YOU ARE BUYING:
# Oversized plunger cup increase the distance a lot.
# 22.8mm oversized cup
#Smoother then O'ring type
!! Important !! You must lubricate very well or you will strip gears.
Wave GEARbox Terminator M4 , SCAR ETC
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