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
Birmingham Small Arms Model 1922 Sporter rifle
Caliber .260 BSA. Cased bolt-action sporting rifle based on the British P14 military receiver. The .26 Rimless Nitro Express (.260 BSA) cartridge is based on a belted rimless cartridge that had limited popularity in the 1920s. It was intended as a high velocity round with 110-grain loadings.