Assertion: mm machine gun | /r/HasProperty | pioneered by john browning
Facets:
value: with the m2 machine gun
type: OTHER
Source sentences:
text: 12.7×108mm, 14.5×114mm, or larger) machine guns, pioneered by John Browning with the M2 machine gun, designed to provide increased range, penetration and destructive power against vehicles, buildings, aircraft and light fortifications beyond the standard rifle calibers used in medium or general-purpose machine guns, or the intermediate cartridges used in light machine guns.