Just calculated it:
Systema magnum motor - $89.00
Systema M120 complete mechbox - $229.00
Prometheus 6.03 inner barrel - $53.99
Prometheus 1 piece hop-up and rubber sleeve - $9.99
Prometheus piston - $29.99
That's $412. My cheap ass JG cost me $380.95.
(Btw, why change the piston that comes with the Systema?)
I don't want to spend so much money if it can be avoided with a few dollars for bushings, piston and the STS thing, but I'm wondering how beneficial it will be for the long run. I'll have to replace more and more parts over time as they wear down, so I'm wondering if that will cost me more?
The trigger thing isn't really an issue, it just sucks that I can't use semi. I'm not going to waste money just for that.
Also, what do I do with this Ajax STS thing? Google says it's supposed to put pressure on the front of the mechbox and it prevents it from breaking. That's great, but just out of curiosity, what does it actually do?