[Gay State Conservative]

First of all,an AK-47 could,I think,be called an “assault rifle”...as can an M-16. That's because they're both capable of automatic fire. An AR-15,OTOH,is only capable of semi-automatic fire...as are so many other rifles and handguns.

[BipolarBob]

One of the first methods of converting an AR to fire full auto is to install a part known as a Drop-In Auto Sear, or DIAS. The DIAS requires an M-16 hammer, selector, and bolt installed in the rifle.