### device | instrument | weapon | gun | firearm:

Autoloader
* are firearms.
* frequently hold more rounds than revolvers.

### device | instrument | weapon | gun | firearm | autoloader:

Automatic weapon
* are guns.
* have a single purpose to kill many human beings quickly
  - no place in the hands of anybody, including law enforcement
  - two specific uses in military tactics
* is an autoloader

Firearms training
* teaches that the use of a firearm is only when lives are at risk.
+ Police, Equipment: Law :: Emergency services
  * In most countries, police officers have been trained to carry guns. Even in countries like the United Kingdom, New Zealand and the Republic of Ireland where most police officers do not carry guns, more are being trained to do so because gun crime is getting worse. Firearms training teaches that the use of a firearm is only when lives are at risk.

### device | instrument | weapon | gun | firearm:

Handgun
* Most handguns are semiautomatic weapons, which have to be cocked before firing each shot.
* account for about one-third of all privately owned firearms in the United States
  - the vast majority of gun deaths each year
* appear to be widely accessible to youth.
* are also considerably easier to carry in the field
  - highly regulated
  - attacks
  - especially dangerous
  - in a specific weapons class which deals large amounts of damage at close range
* are located in armies
  - drawers
  - museums
  - war
  - physical attacks
  - responsible for the vast majority of firearms death and injury
* are small, easily concealed, and accurate at close to medium ranges
  - easy to carry and use, and very effective for self-defense
* are the firearms most likely to be illegally trafficked
  - leading killers of kids in California
  - number one killer of youth in California
* are the weapon of choice for juveniles and criminals
* are used for killing
  - murder
  - self defense
  - target practice
  - threats
* are, for all practical purposes, banned in the nation's capital.
* can be either revolvers or semi-automatic pistols.
* cause nearly three times as many injuries each year.
* function normally every day of the month.
* have no purposes other than killing people
  - one purpose to kill a human being
* kill thousands of people each year, with homicides, incidental shootings and robberies.
* make crime more deadly.
* play a disproportionate role in gun violence.
* predominate in firearms crime.
* range from flint and percussion pistols to percussion revolvers.
* refers to a firearm held and fired by the hand, usually a pistol or revolver.

Shotgun
* are firearms
  - located in roadblock
  - normally civilian weapons used primarily for hunting
  - substantially safer for deer hunting in developed areas
* can also shoot a single lead projectile known as a slug.
* come in a number of different styles and actions.
* have a smooth barrel and fire cartridges containing multiple metal pellets or slugs
  - low muzzle velocities, low chamber pressures and short range
  - no recoil
* range in weight from about five pounds to eight pounds.

Gene gun
* are one of the new powerful tools in genetic engineering
  - newest technologies in the exploding field of genetic engineering
* work by a unique combination of physics and biology.