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
Bushmaster Semi Automatic Pistol
This semi-auto pistol features a parkerized finish and a rifle-style box magazine in a bull-pup configuration. This firearm was manufactured by Gwinn Arms during 1972-1974. The design blended aspects of the AR-15 and AK-47 rifles into a bullpup pistol configuration. The pistol was considered for a USAF survival arm and also by the California Highway Patrol.