Listed below are the main battle rifles of America's major wars and conflicts. These are the most widely issued or used primary small arms for each conflict starting with the American revolution.
American Revolutionary War : (1775–1783) Muzzle Loading Flintlock Musket Large Caliber Smooth Bore
American Civil War : (1861–1865) Springfield Rifle Musket Various Calibers
World War I : Bolt Action M1903 Springfield Rifle cal. .30 Government 30/06
Vietnam War : M16 A1 Selective Fire Automatic High Capacity Rifle cal. 5.56
Desert Storm/ Desert Shield/ Iraqi Freedom : M-16 A2/A4 Selective Fire Automatic High Capacity Rifle cal. 5.56 often updated with various tactical gear to suit various mission needs.
American Revolutionary War : (1775–1783) Muzzle Loading Flintlock Musket Large Caliber Smooth Bore
American Civil War : (1861–1865) Springfield Rifle Musket Various Calibers
World War II and Korean War : M1 Garand Semi Auto Rifle cal. .30 Government aka 30/06