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For: CA TM M4/M16 Series Original Hop up UnitProduct Information:
Well it was good well it lasted,
I purchased this hop up when my standard Echo1 2 piece hop up broke. When I recieved it it was amazingly strong. After shooting rigourus times, the hop up shot great. Then tonight the second (middle) gear pin snapped out of nowhere, now I have sat here for and hour trying to super glue it. GRRR! All together it was good well it lasted.
Later to find out it was made out of cheap @$$ plastic
Middle pin broke