M1 Garand

The M1 Garand (officially designated as United States Rifle, Caliber .30, M1 and later simply Rifle, Caliber .30, M1, and also abbreviated as US Rifle, Cal. .30, M1), was the first semi-automatic rifle to be generally issued to the infantry of any nation.  Called "the greatest battle implement ever devised" by General George S. Patton,  the Garand officially replaced the bolt-action M1903 Springfield as the standard service rifle of the United States Armed Forces in 1936 and was subsequently replaced by the selective fire M14 in 1957. However, the M1 continued to be used in large numbers until 1963 and to a lesser degree until 1966.

M1 Garand in Days of Infamy
The M1 Garand replaced the for the Liberation of Hawaii when the US Army and Marines returned in early 1943. Many in the Japanese Army envied having a rapid firing rifle, but quickly came to recognise the sound it made when it was empty.

M1 Garand in Worldwar
The M1 Garand was still being introduced to the US Army when the Race arrived in mid 1942. It still wasn't avalible in enough quantaties at first, but they still kept arriving at the front, and performed well against the Race.