Rifles and shotguns, yes. Handguns, no, you must be 21 to legally purchase a handgun.
The state of Texas does not require registration of handguns, so the question can't be answered as asked.
the state of Missouri does not require handgun registration.
Connecticut is not a very gun friendly state. No.
There are 743,000 horses registered to the state of Texas. There are also 50,000 plus which are unregistered or wild.
The answer is yes and no. You cannot go into a gun store in a state where you don't live and walk out with a handgun. You can, however, have a handgun shipped from a licensed dealer where you are to a licensed dealer in your state and pick it up there, unless there is a local state law prohibiting that. You have to find a gunshop that is willing to do that. Some will, some won't.
No. No state has a handgun ban - not even California (although it doesn't mean they wouldn't like to try), and Texas is one of the more gun-friendly states in the country.
Yes, as long as it's concealed.
Since the state of Texas doesn't require handgun registration, the answer is, zero.
Laws vary from state to state. In MOST states, there is no "registration" of firearms as such. If you live in a state that DOES require registration, then yes, that would be illegal.
Yes, if you have a Texas concealed handgun carry permit, or a permit from any state with which Texas recognizes reciprocity, you can carry a concealed hangun in Texas.
As long as you have a handgun carry permit that is valid in Texas, yes. You can also carry a handgun on or about your person in your motor vehicle without a license in Texas, if you meet the "requirements". Is a motorcycle a motor vehicle? Yes: "Motor vehicle" means: (A) any motor driven or propelled vehicle required to be registered under the laws of this state; So you can legally carry a handgun on or about your person on your motorcycle if you meet the "requirements".
Yes, but it depends on where you are going. Check out handgunlaw.us for more info. For instance, Tennessee recognizes handgun permits from any state, but New York doesn't recognize any other state.
It depends. If you are a U.S. citizen, length of residence in a particular state is irrelevant. However, you will have to have some government issued ID with your current Texas address and your photo on it in order to purchase a handgun from a dealer in Texas.