Assault weapon

This article is about firearms restricted by some United States laws. For rifles capable of both automatic-fire and semi-automatic modes, see Assault rifle.

In the United States, the term assault weapon is used for some types of firearms. Usually these arms have a detachable magazine, a pistol grip and some have a vertical forward grip, flash suppressor or barrel shroud. Some firearms are specified by name.

The Colt AR-15 carbine is a semi-automatic rifle chambered for fixed centerfire ammunition that fires one round each time the trigger is pulled. The weapon features a pistol grip and a flash suppressor.