Gun Laws Permit Texas 18-Year-Olds to Buy AR-15s, but Not Handguns — ProPublica
AR-15 pistol vs rifle: Colorado suspect allegedly used a Ruger AR-556 pistol. Here's how it differs from an AR-15-style rifle | CNN
Once Banned, Now Loved and Loathed: How the AR-15 Became 'America's Rifle' - The New York Times
Assault weapon - Wikipedia
Rifles | Bureau of Alcohol, Tobacco, Firearms and Explosives
What does AR 15 stand for: Truths, myths about 'Armalite' guns - ABC7 Chicago
Dr. Sanjay Gupta: The damage to the human body caused by firearms | CNN
AR-15 Style Rifle Used in Orlando Massacre Has Bloody Pedigree
AR-style rifles leave victims unrecognizable, experts say
4 basic questions about the AR-15 - The Washington Post
With AR-15s, Mass Shooters Attack With the Rifle Firepower Typically Used by Infantry Troops - The New York Times
The AR-15 Is Different: What I Learned Treating Parkland Victims - The Atlantic
What makes the AR-15 style rifle the weapon of choice for mass shooters? - 60 Minutes - CBS News
AR-15 style rifle - Wikipedia
California's complicated history with regulating assault weapons
How Many Assault Weapons Do Americans Own?
The allure of the AR-15: As judge overturns assault weapons ban, the style of rifle remains at heart of gun control battle
Definition of what's an 'assault weapon' is a very contentious issue
A Brief History Of The AR-15 : NPR
Arkansans weigh in as AR-style rifles again lead debate
The history of the AR-15 - The Washington Post
Md. semi-automatic weapons ban in jeopardy after Supreme Court ruling - Maryland Matters
