COP 357 Derringer multiple barrel firearm. This Derringer style 4 shot pistol has 4 chambers which is capable of holding and firing 4 357 magnum rounds. Modeled after the Hillberg Insurgancy Weapon and designed by Rob Hillberg himself
This is a handy picture, which shows the various parts of a handgun (a revolver in this case) with the names of each part. This is definitely helpful for people who like to go to online forums or to local gunsmiths with firearms parts questions.