There are many misconceptions to the AR-15. Two of the most notable are: AR stands for “Assault-Rifle” and they are the same as fully-automatic military firearms. Today, the AR-15 has soared in popularity amongst gun owners, due to a wide-range of factors. It is customizable, adaptable, reliable and accurate that can be used in sport shooting, hunting and self-defense situations. Civilians can also modify and personalize their AR-15 from carbine-length, stocks, optics, barrels, etc. The AR-15s ability to be modified to your own personal taste is one of the things that makes it so unique.