.54 Caliber

The Harper's Ferry Model 1803 rifle is a historic flintlock muzzleloading rifle that was the first firearm produced at the United States Armory at Harpers Ferry. Designed by superintendent Joseph Perkin, it was adopted by the U.S. Army in 1

The M1803 Harper's Ferry Rifle was the first standard issue rifle adopted by the United States military, produced at the Harper's Ferry Armory in Virginia. It was a .54 caliber flintlock rifle featuring a distinctive half-stock design with