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I closed my firearms business in 2002, after 19 years of fighting ever-metastatizing costs, fees, laws, regulations, and zoning changes. It just was not worth it.
And article I read in American Firearms Industry ( google it ) in the late 1990's claimed 3 out of 4 FFL businesses closed due to ever-increasing hassles, during Clintoon's corrupt reign.
More taxes, regulation, hassles=less business. Who'd a thunk it?
You can get a Chinese AK-47 via Mexico if you want one. I have a different idea. If everybody that wanted a weapon now has that weapon, the market is saturated. I own a nice rifle and don't have the time to enjoy it in the desert, for example. It just sits in a bag because I'm too busy to take time off of my ~ 2 MONTHS VACATION time to blow off some rounds downrange. That may be the reason; people don't take time off for pleasure since there is a lot of work waiting to be done and creative BSing to be had.