A military rifle has a select fire switch that allows military personnel to select semiautomatic, three round bursts, or full auto.
In three round bursts, the rifle fires three rounds with each pull of the trigger, and in full auto it fires bullet after bullet, until the military member releases the trigger.
A military rifle, being military grade, is made to handle the heat and wear caused by full auto fire.
During an August 15 appearance on NRATV, Duff responded to Sullivan’s gun control push, saying:
Duff responded in agreement, saying Sullivan held the gun in a “dainty” fashion.