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
The American West - 1850 to 1900
Sponsored by Eldon and Edith Owens
Classic guns of cowboys, lawmen, outlaws, Native Americans, settlers, buffalo hunters, frontier soldiers and more.
Significant Firearms in Gallery 7:
- Springfield Officers Model Rifle
- Sharps "Big Fifty" Rifle shipped to Ft. Griffin, Texas
- Winchester M1873 Rifle In mint condition, it's unfired
- Winchester Lever-Action Rifles, a complete series
- Colt Buntline Special Revolvers
- Marlin Big-Bore Lever-Action Rifles
- Remington Single-Shot Pistol
- "Russian" and "Schofield" Revolvers Smith & Wessons
- Merwin & Hulbert Revolvers With folding hammers
- Burgess Folding Shotgun
- Three Annie Oakley Guns including a Gold Hibbard .410 shotgun