After shooting 1268 bbs, the gearbox itself is still holding nicely. BUT, there was a failure:
the tail of the piston, the part with thick tooth, broke off. Now I wonder what that may be and how I can prevent it from happening again before going part shopping.
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Current Arsenal:
AW Hi-Capa 5.1 X 2
EMG DD MK18 Cerakote
VFC M4 MK18
CYMA AK47
TM MP5 First gen  Rare find
TM MP5A5 with swordfish 2004
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