Can't be answered until you define what "modern rifle" means.
If it's a modern .30-06 rifle, yes.
modern firearm (rifle,shotgun,handgun), Primitive (archery,muzzle loader) Trapping
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
Define "modern rifle". A semi auto rifle was made for the Mexican Army in 1897- The Mondragon.
A rifle
firearm
Shirt. A rifle is one type of firearm, and a shirt (or dress, skirt, blouse, trousers) is one type of garment.
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.