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
Knight MK 85-1 Prototype In-Line Percussion Rifle
This prototype in-line muzzleloader was one of the first blackpowder arms to utilize the straight ignition system with a shotshell primer. Originally made in Lancaster, MO, these rifles are currently made in Centerville, IA.