One thing I didn't see mentioned, especially considering how some claim that it is simple and intuitive to fix these guns, is the fact that empty cases should be put in the chambers when tightening the rod to prevent torque from damaging the star.
I'm in no way an armorer. I'm pointing this out for two reasons. One is to give a bit of useful info to anyone who is going to do something like this themselves. The other reason is to point out how easy it is to not know a small detail that could prevent a lot of damage.
Drugs are bad because if you do drugs you're a hippie and hippies suck.
"If you kill enough of them, they stop fighting."-General Curtis E. LeMay