<human>:  Why is the M1 Garand rifle called the M1 Garand?
<bot>: The M1 Garand was the first mass-produced American rifle with a semiautomatic action. The M1 Garand was a semiautomatic rifle designed by John C. Garand. It was the first successful military semiautomatic rifle. The M1 Garand was used by the United States Armed Forces during World War II. It was also used by the United States Marine Corps and United States Army Air Forces.