I didn't buy my underfolder AK47 for "sporting purposes"
Are you sure you didn't buy it for "sporting purposes"? I love my AR15... and I argue it IS FOR SPORTING PURPOSE.
Don't fall into the definition of "sporting purposes" that the Brady's offer.. To the Brady's, the only reason to have a double-barrel shotgun is to go duck hunting.. That is their definition "sporting purpose"
Just because a weapon is useful for warfare, it doesn't mean it doesn't have sporting purpose!
If the Brady's had their way, gun stores would only sell TWO guns.. a 22LR rilfe and a double-barrel shotgun.. and it would certainly have a sin-tax of 200%