Como dizer "arma de grosso calibre" em inglês

large caliber firearm
small caliber firearm
revolver
pistol
horse pistol
handgun
shotgun, scatter gun
sawed-off shotgun
street-sweeper
coach gun
blunderbuss
machine pistol
shoulder arm
automatic
semi-automatic
singleshot
bolt action
lever action
pump
musket
rifled musket
rifle
carbine
grease gun, burp gun
flintlock
cap lock (percussion lock)
muzzleloader, front stuffer
black powder
smokeless powder
bayonet
machine gun
submachine gun
Gatling gun
recoiless rifle
cannon
drilling
side-by-side
over-and-under
rolling block
falling block
lever action
carry gun, back-up gun, throw-away gun

Queria saber os nomes de tipos de facas também?

High caliber guns.

You might consider checking the Internet out for the names they give guns/firearms. You can't type them all across the forum board in a single sitting. Nor in a double sitting even.

derringer
BB gun
airgun
pellet gun