A pellet gun for the biathlon if that is what you are asking.
The US uses various guns in the Olympics, depending on the shooting event. Some commonly used guns include pistols such as the Smith & Wesson M&P, SIG Sauer P320, and the Walther P99, as well as rifles like the AR-15 platform rifles and the Anschutz rifles.
They use a regular .22 cal that has been custom made for the athletes in the Olympics
They don't. Not legal in the US.
In the US, yes. Federal game law for migratory birds.
The US has 529 athletes in the 2012 Olympics.
Yes, the US is competing in the 2012 Olympics. There are 530 athletes from the US participating.
Limited use in the US Civil War
they used gun powder and mario
No. The US is very liberal about freedom of speech.
The US Army approved for construction the first US 16" gun, for shore battery use, in 1895. The coastal gun went into service in about 1900.
in the US, yes. You may make a gun for your own use. You must be old enough to possess a gun, and it must meet legal characteristics of a legal firearm.
I'm going to the Olympics!
No, the barrel us obstructed. A real bullet would shatter it, but a real gun will also fire blanks.