Which weapons were most commonly used during World War II?

The most frequently used weapons of World War II include the Mosin Nagant rifle used by the Soviet Union, the Karibiner 98k rifle used by Germany, and the M1 Garand and carbine rifles used by the United States. The Soviet Union produced over 17 million Mosin Nagants during the war.

The Mosin Nagant 91/38 was the standard weapon issued to Soviet troops, the largest military force ever mobilized in the history of the world. The Karabiner 98 was the standard rifle issued to German forces with over 14 million produced between 1934 and 1945. The M1 Garand and M1 carbine were the standard rifles issued to U.S. troops, with approximately 6.5 million Garands and 6.9 million carbines produced during the war.