[ex]

I bought a JG V2 complete mechbox...the piston was split in two before I even had a chance to fire it once. That said once it was replaced with a TM stock piston it worked fine. You may have to change a few things..like the anti reversal latch as the JG version allows some (albeit fine) shifting when you release the trigger. It seems to be working just fine with a new piston and spring, and seems quite sturdy. It's a pretty good "cheaper" alternative to some of the more expensive ones on the market like G&P etc. That said I would rather have a G&P or Systema complete mechbox drop in replacement though.