Exam 8: Gunshot Wounds

Lands is the spiraled tooling inside the barrel of a rifle or handgun that puts a spin on the bullet.

The power piston is a plastic form of wadding.

A _______ is a handheld weapon that varies from low to high velocity depending on the capability of the gun's barrel diameter corresponding to caliber, barrel length, and type of ammunition used.

All guns have a right twisting spiral.

The raised portions of the rifling inside the barrel of a gun that create markings on the soft lead bullet as it travels down the barrel are called lands.

The _____ is the lead portion of the cartridge that leaves the end of the barrel when the gun is fired.

All entrance wounds have one thing in common: a marginal abrasion.

_______ is a disc composed of cork or cardboard used to separate the shot from the gunpowder and create a more efficient explosion by containing the gas in the gunpowder area of the shot shell.

A ________ is a high velocity weapon that utilizes shot shells rather than bullets as projectiles and is usually described using "gauge" rather than "caliber."

_____ consists of the round balls composing the lead portion of a shotgun shell.

A ______ is a high velocity weapon utilizing larger amounts of gunpowder and a longer barrel to achieve greater accuracy as well as more complete burning of the powder, and whose barrel diameter is described by "caliber."

Bullets are always collected using metal instruments.

The primer is a volatile explosive material that comes in contact with the firing pin and precipitates the ignition of the gunpowder explosion.

______are the raised portions of the rifling inside the barrel of a gun that create markings on the soft lead bullet as it travels down the barrel.

The choke is a mechanism on a shotgun that is used to prevent scatter of the pellets.