G&P is higher quality than CA.
You just have to open up the gear-box and re-build it properly. The materials G&P uses are superior... they just don't have good workers or quality control.
GOD DAMN WORKER #6's GUNS ALWAYS BREAK!
If you've already got an M16... and want a RIS.. why not just buy an M16 RIS and add it to your current gun?
Gun Technician and Tuner
Well versed in every AEG version and all major gas and spring systems.