M-16 is the album by the German thrash metal band Sodom
0.016 m
Muzzle velocity about 3100 fps.
16 men on a dead man's chest (yo-ho-ho and a bottle of rum) 16 men on a dead man's chest (yo-ho-ho and a bottle of rum)
Eugene Stoner designed the AR-15, which with certain DOD required refinements, became known by the designation M-16. This all happened in the late 1950s with adoption in the early 1960s