By now I've given up on all mags that aren't original. I resorted to trading the after-market crap for boxes of ammo.
And what the heck kind of Frankenstein sks is that? You must really hate good old-fashioned wood stocks and iron sights.
Proverb for Paranoids: The innocence of the Creatures is in inverse proportion to the immorality of the Master. -T. Pynchon