Automatic rifle - Wikipedia
Firearms History and the Technology of Gun Violence – UC Davis Library
History of gun-control legislation - The Washington Post
Experimental semi-automatic rifles, 1919-1931- excluding Garand's and Pedersen's rifles - Springfield Armory National Historic Site (U.S. National Park Service)
Gun Control History: FDR's Taxing of Machine Guns - Bloomberg
When Were Guns Invented? The Evolution of Weaponry
Firearms - HISTORY
Firearms History and the Technology of Gun Violence – UC Davis Library
The Puckle Gun or Defense Gun
History Of The First Semi-Automatic Pistols | An NRA Shooting Sports Journal
Amazon.com: The Best Personal Automatic Weapons in the World War II: History of the Firearms eBook : Brown, Francis W.: Kindle Store
A Brief History of Guns in the U.S. | Hopkins Bloomberg Public Health Magazine
What to know about machine gun laws in the US - ABC News
How AR-15 became the most popular rifle in America | CNN
A Brief History of the Modern Sporting Rifle • NSSF
Eighteen-Year-Olds with AR-15s | The New Yorker
The history of the AR-15 and how it became a symbol of American gun culture - Poynter
How the AR-15 Assault Rifle Became One of the Most Popular Guns in America
Machine gun - Wikipedia
A Brief History Of The AR-15 : NPR
The Browning Automatic Rifle: A Short History | An Official Journal Of The NRA
A Short History of the Semi-Automatic Firearm | An Official Journal Of The NRA
A Brief History of the Assault Rifle - The Atlantic
Automatic Arms | Book by Melvin M. Johnson, Charles T. Haven | Official Publisher Page | Simon & Schuster
Gun laws and selling guns to 18-year-olds is being debated by states and courts : NPR
Machine pistol - Wikipedia
