- 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
Calico Systems M 951 Semi Automatic Tactical Carbine
Calico began manufacturing operations in 1986 and this semi-automatic carbine was one of the first arms completed SN NRA000001. The California state prison system used laser-sighted Calico carbines in 9mm for crowd control within exercise yards.
Calico Light Weapons Systems was based originally in Bakersfield, CA. The company shifted operations to Sparks, NV until closing in 2001.