Question

each rifle or handgun is designed to be used with a specific type of: a cartridge b shotshell c gauge d choke

Explanation:

Rifles and handguns are designed to use cartridges. Cartridges contain the bullet, gunpowder, and primer. Shot shells are for shotguns. Gauge is a measure for shotguns. Choke is related to shotgun barrel constriction.

Answer:

A. cartridge