I've never heard of it happening directly, but I have heard, yet again "from a friend of a friend" stories of some guys being threaten with beneift revocation or given the run around to such a degree that it appeared to be some form of bueracratic retailation.
But, again, none of this is first hand.
NRA Life Member
Big Sister: "Everyone in America is fine with the .30-30, except Mack. He has to shoot that .35 because that extra point zero fives inches will matter on Bigfoot."