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
WWII - More arms
DWM Luger Artillery Model Semi-Automatic Pistol
DWM Luger P08 pistol
Mauser (byf) P-38 pistol
Mauser (Oberndorf, Germany) P.08 Luger Semi-Automatic Pistol
MG42 Machine Gun
Saginaw Steering Gear Division M1 Semi-Automatic Carbine
U.S./Auto Ordnance M1928 Thompson Submachine Gun 
U.S./Colt (Hartford, CT) Model 1911 Semi-Automatic Pistol
U.S./Ithaca (Utica, NY) Model 1911A1 Semi-Automatic Pistol
U.S./Remington (Ilion, NY) Model 1903A3 Bolt-Action Rifle
U.S./Remington (Ilion, NY) Model 1903A4 Bolt-Action Rifle w/ telescopic sight
U.S./Springfield M1 Garand Semi-Automatic Rifle
U.S./Underwood-Elliot-Fisher (Hartford, CT) M1 Semi-Automatic Carbine