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
World War I Diorama
- British SMLE Mk III Bolt-Action Rifle
- BSA Sparkbrook M1893 Mk II Magazine Lee-Metford Rifle
- Colt (Hartford, CT) Model 1911 Semi-Automatic Pistol
- Erfurt Arsenal (Erfurt, Germany) Mauser Model 98A Bolt-Action Carbine
- Farquhar-Hill (England) Model 1909 Experimental Semi-Automatic Rifle
- French (St. Etienne) Berthier Model 1907/15 Bolt-Action Rifle
- French Model 1917 Semi-Automatic Rifle
- J. P. Sauer M1879 Single-Action Commission Reichsrevolver
- J.P. Sauer & Sohn Gew98 Sniper rifle
- Mauser Waffen Munitionsfabrik Anti-Tank Rifle
- U.S./ Winchester Model 1897 Slide-Action Trench Shotgun
- U.S./Springfield (Springfield, MA) Model 1903 Bolt-Action Rifle
- U.S./Springfield M1903 Bolt-Action Sniper Rifle
- U.S./Winchester Prototype M1917 Bolt-Action Magazine Rifle
- Webley & Scott (England) Model 1915 Flare Pistol
- Webley (Birmingham, England) Mk II Double-Action Revolver
- Webley (England) No.1 Mk 1 Flare Pistol