The Galleries
- Robert E. Petersen Collection
- Ancient Firearms - 1350 to 1700
- Road to American Liberty - 1700 to 1780
- A Prospering New Republic - 1780 to 1860
- A Nation Asunder - 1861 to 1865
- The American West - 1850 to 1900
- Innovation, Oddities and Competition
- Theodore Roosevelt and Elegant Arms - 1880s to 1920s
- World War I and Firearms Innovation
- WWII, Korea, Vietnam and Beyond - 1940 to Present
- For the Fun of It
- Modern Firearms - 1950 to Present
- Hollywood Guns
Rare Chinese Liu Semi-Automatic Military Rifle
This rifle, bearing serial number 7, was manufactured in 1914 and was later sent to the U.S. Army Arsenal at Springfield, Massachusetts for testing and evaluation. All members of the Chinese delegation, returning to China with American manufacturing samples and machinery, were lost when the boat sank in transit.