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
Arms For The Union: Union Carbines
- American Machine Works Smith Breechloading Percussion Carbine
- Amoskeag Mfg. Co. Lindner Percussion Breechloading Carbine
- Colt (Hartford, CT) Model 1855 Percussion Revolving Carbine
- E. G. Lamson & Co. (Windsor, VT) Ball Repeating Carbine
- Ethan Allen (Worcester, MA) Drop Breech Rifle
- Gen. Ambrose Burnside's Carbine
- John Brown Sharps Carbine
- Massachusetts Arms Co. Maynard Second Model Breechloading Carbine
- Richardson & Overman Gallager Percussion Carbine
- Sharps & Hankins M1862 Single-Shot Breechloading Percussion Carbine
- Sharps (Hartford, CT) New Model 1859 Percussion Carbine
- Springfield Model 1855 Percussion Pistol Carbine
- U.S./N. P. Ames (Springfield, MA) Jenks Percussion Carbine
- U.S./Spencer (Boston, MA) Lever-Action Repeating Carbine