If you are in compliance with Federal, State and Local laws, anyone.
Some are, some are not. California has very stringent limitations of firearms.
Semiautomatic weapons are legal in various countries, including the United States, where they are widely available with varying regulations across states. Other countries, such as Canada and Australia, allow semiautomatic firearms but impose strict licensing and storage requirements. In many European nations, semiautomatic weapons are subject to rigorous controls, often requiring permits and background checks. It's important to note that laws can vary significantly even within nations, reflecting different cultural attitudes toward firearms.
Millions have been made.
CMP is a maker of unusual firearms. They include a number of single shot and semiautomatic firearms that are similar to the STEN gun and MAC series of submachineguns. We cannot get you more information without more info from you.
Yes, but there ARE restrictions on WHICH rifles, as well as which features are permissible.
Yes, no, maybe. You fail to mention how old you are and where you are located, both of which determine which answer is correct.
Yes
You need to define"firearms license". There is no license needed to own or to carry a firearm in AZ.
Private citizens aren't permitted to own or possess firearms in Mexico.
They own themselves
Barrett makes a range of .50 rifles, some of which are self loading (semiautomatic), and some of which are bolt action. The most famous of these rifles is the M92/M107, which is semiautomatic.
I think 18.