I just bought a box of these magazines yesterday from AEX San Diego. I went through four magazines at home, and only one of them didn't feed perfectly. It skipped one (1) bb in full auto, then fed the rest that were in the magazine. The last bb never feeds because the bb pusher isn't long enough to send the last bb out of the magazine.
I did not modify the magazines at all.
A friend of mine with an M14 was at my house, and he tried the magazines. No such luck for him. His gun feeds fine with TM standards. When he used the KingArms magazines, the first 30 or so would feed, then
