21
yes
Yes, if purchaser appears to be under 21
Federal law is 21.
18
you have to be at least 16 to purchase a car....
Federal law says you must be 21 to purchase a hand gun.
Yes
6.35mm (.25 ACP) is pretty much a pistol round exclusively. Under US law, you must be 21 to purchase a handgun.
the democrats and republicans o my bad comunist In the U.S. you do not need a permit to purchase a pistol, except in Illinois, you must have a Firearms Ownser ID card.
One would not need to purchase an M9 pistol. One may want to purchase an M9 pistol so they can go target shooting with it. Target shooting is a hobby many enjoy.
18, just like every other state...
Federal law says 21