The M14 was designed in 1954 and officially became the standard-issue rifle for the U.S. Armed Forces from 1959 to 1964, with over 1 million units produced over that relatively short span of time.

The Canadian alpinists Will Gadd and Sarah Hueniken have repeated The Mustang P-51 (M14-) at The Fang Amphitheater, Vail, Colorado, USA. In making her ascent Hueniken has become the first North ...