I would only add, that from my experience, most if not all of those magazines have feeding problems.
At one time I had 4 30rd's from Eagle, 4 50rd's from Ramline and several 20rnd's from Butler creek. I had my 10/22 tricked out with a folding stock, ventilated hand guard, bbl shroud, H&K type sights and lots of action work done to it. Dern thing would never feed an entire clip without some sort of jamb, but would blaze through tha stock magazines. I eventually got so frustrated with the thing that I sold it and built a sweet target/plinker on a 10/22 reciever instead. Got more $$ for the mags than I did for the gun. Now those mags are somebody elses headache![:'(]