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
Marlin XX Standard 1873 Pocket Revolver
About 10,000 of these brass-framed .22 caliber revolvers were manufactured by Marlin from 1873 to 1887. Both fluted and unfluted seven-shot cylinders were offered in this model. Rosewood and hard rubber grips were available.