Meaning of M-1

M-1

Pronunciation: (em'wun'), [key]
— pl. M-1's.
  1. a semiautomatic, gas-operated, .30 caliber, clip-fed rifle, with a weight of 8.56 lb. (3.88 kg): the standard U.S. Army rifle in World War II and in the Korean War. See illus. under
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
  • M-1 (Thesaurus)