@Zerowinger
Because implications are not transitive, way more tags need to imply it, like
rifle,
pistol,
battle axe,
bomb, etc. Full list taken from Derpibooru:
ak-47,
assault rifle,
atomic bomb,
axe,
bastard sword,
battle axe,
bolt-action rifle,
bolter,
bomb,
bow and arrow,
buster sword,
chainaxe,
chainsword,
chainsword horn,
colt single action army,
crossbow,
crossguard lightsaber,
cutlass,
dagger,
diamond sword,
double barreled shotgun,
double lightsaber,
energy sword,
energy weapon,
flail,
flamberge,
flamethrower,
galaxia,
galil,
giant sword,
glock,
grenade launcher,
gun,
gunified,
halberd,
kanabo,
katana,
keyblade,
khopesh,
lance,
lasgun,
lead pipe,
lightsaber,
m16,
m1919 browning,
m2 browning,
m3 grease gun,
mac-10,
mace,
machine gun,
mg 42,
micro uzi,
mini uzi,
morning star,
mossberg 590,
mp5,
nuclear weapon,
p90,
rainbow dash turning into an assault rifle,
rapier,
rifle,
rocket launcher,
saber,
sawed off shotgun,
scimitar,
shotgun,
sniper rifle,
spear,
steyr aug,
storm bolter,
submachinegun,
sword,
thunder hammer,
tomahawk,
uzi,
war hammer,
winchester model 1897,
wingblade,
zweihander