No not yet, I have two mech boxes I want to snap before buying another reinforced.
1X TM
1X CA ( possibly reinforced ) came with the CA M15A4 2007 make.
I just had a Systema reinfoced gearbox snap in less than a year. And im not the spray the prey type player... I did have a 150% sping in it though. But prior to that , I had a 170% spring in a TM gearbox and it lasted a couple of years with lots of action.
I guess it all goes to if the metal cures properly and with how many metalurgy defects their are.
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