Deputies noticed the Colt M4 assault rifle was missing from the trunk of their squad car sometime between 10:30 and 11 p.m.

Assault-style weapons have long been a flashpoint in the American gun debate. They were outlawed in 1994 . But that ban expired in 2004 and Congress opted to not renew it.

AR-15 has been weapon of choice during three mass shootings in U.S. Fear of potential ban has doubled prices of AR-15s, a gun shop owner says; The previous assault weapon ban from 1994-2004 was ...

A Ruger AR-15 semi-automatic rifle, center, is among the guns at the center of debate over whether a new "assault weapons" ban is needed. Sportsmen say the firearm's primary use has been poorly ...

However, this wouldn’t affect “assault weapons” such as the infamous AK-47, which fires slower ammunition, but it would affect some sporting rifles, such as the popular Mini-14 Ranch Rifle.

Assault rifles are selling out by Aaron Smith @AaronSmithCNN December 31, 2012: 5:24 AM ET Dennis Pratte, owner of My Gun Factory in Falls Church, Va., said the demand for semiautomatic rifles is ...

Assault Weapons Revisited Policy Options for Regulating Rifles, Shotguns, and Other Firearms 20 Years After the Passage of the Assault Weapons Ban.