NGS Style Manual‎ > ‎- F -‎ > ‎

FIREARMS

.50-caliber machine gun
.303 Lee-Enfield
7.7-mm shell
.357 Magnum
12-gauge shotgun
40-millimeter cannon or
40-mm cannon
Kalashnikov AK-47 assault rifle
M16
BB gun
number two shot
cannon (singular and plural)