Assault rifles are full-length, select fire rifles that are chambered for an intermediate-power rifle cartridge that use a detachable magazine. Assault rifles are currently the standard service rifles in most modern militaries. Some rifles listed below, such as the AR-15, also come in semi-automatic models that would not belong under the term "assault rifle".
By strict definition, a firearm must have the following characteristics to be considered an assault rifle:
Rifles that meet most of these criteria, but not all, are technically not assault rifles, despite frequently being called such.
For example:
Several of the rifles on the below list have non-assault rifle variants. Because they lack the selective fire capability as they only fire semi-automatic even though it fulfills the other requirements of the definition above.