The reason I want to put a STAR gearbox in a CA is that CAs have a history of having not being as good....
These STAR gearboxes seem phenomenal. Plug and Play, practically. Change springs without removing the gearbox. From the many reviews I've read so far, the STAR gearbox is superior to the CA gearbox.
I'd love to get the best of both worlds - a full metal M249 with an excellent gearbox.
I will be getting my STAR M249. In 2-3 months, after the gearboxes are available for sale individually, I will sell my STAR M249, buy a CA M249 (preferably without a gearbox), and stick a STAR gear