Wut? We're not talking about cars here. If the gubment doesn't want you buying aftermarket SKS magazines, they won't be sold by retailers like Tapco. Who is this Bubba you speak of?
Not angry at all, but I, as well as many others, do find your constant armchair lawyering to be extremely annoying. Do you really think there would be so many aftermarket parts made for these if they were illegal?
If you think I'm going to waste my time citing laws for you, you're crazy. You're absolutely right, it's completely fucking illegal, don't buy it. Go spent $2000 on an AR instead, if you can find one.
I've had my safe bolted to concrete in the basement for a few years now. Basement dehumidifier, silicone sock on each gun, heater stick and good ventilation. No issues. No worries. Your results may vary.