No you cannot buy a gun on The Sims 3.
You have to be 18 to buy a long gun and 21 to buy a hand gun.
Gun shop.
Yes, you can buy a gun case for anyone.
You can not buy a gun in Wisconsin and live somewhere else. In order to by a gun in Wisconsin you have to live there.
buy (gun here) e.g. buy ray gun
Let me see, uh, in Egypt?
No
Yes, you can buy Nerf gun at Nanyang in Kuala Belait
You can buy it from carrfour or from computershop
Pyramids
No!