The Galleries
- Robert E. Petersen Collection
- Ancient Firearms
- The Road to American Liberty
- Seeds of Greatness
- The Prospering New Republic
- A Nation Asunder
- The American West
- Innovation, Oddities and Competition
- Theodore Roosevelt, Elegant Arms
- World War I and Firearms Innovation
- WWII, Korea, Vietnam and Beyond
- For the Fun of It
- Firearms Traditions for Today
- William B. Ruger Special Exhibits
- Freedom's Doorway
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.