Shirt. A rifle is one type of firearm, and a shirt (or dress, skirt, blouse, trousers) is one type of garment.
A shotgun is a firearm. A revolver is a firearm. A pistol is a firearm. A rifle is a firearm. If you want even more specific -- A Remington 1187 is a firearm (shotgun). A Smith and Wesson 686 is a firearm (revolver). A Sig Sauer P226 is a firearm (pistol). A Colt 6920 is a firearm (rifle).
Yes
A firearm
A rifle
firearm
If it uses gunpowder to launch a projectile it is considered a firearm
When someone utilizes a firearm (pistol, rifle or shotgun) to kill themselves.
No.
22 rifle
yes
No. "Firearm" is defined basically as a small arms weapon, as a rifle or pistol, from which a projectile is fired by gunpowder. A slingshot is a weapon, but not a firearm.
Rifles and shotguns are separate types of firearm. The Kentucky Long-Rifle was as its name implies a rifle, not a shotgun.