USA. Arizona state. Avondale town. Two young customers, both major men, are interested in buying a firearm at the gun shop AZFirearms.com with over 1'000 guns in stock. A firearm is a portable gun, being a barreled weapon that launches one or more projectiles often driven by the action of an explosive force. Most modern firearms have rifled barrels to impart spin to the projectile for improved flight stability. The word firearms usually is used in a sense restricted to small arms (weapons... more »