Not necessarily,depending on thestore they sometimes will ask if it is for a rifle or a pistol (.22lr and Wallyworld come to mind)
Exactly. My local Wal-Mart wouldn't sell me a box of .22WMR because I was 18.
I doubt they'd sell me a box of 9x19.
'A Vote is like a Rifle; It's usefulness depends upon the character of the User.'-Theodore Roosevelt
'In a Man to Man fight, the Winner is He who has one more round in his magazine.'-Erwin Rommel